Step 1:
The first step to converting 724485.51642864 to a fraction is to re-write 724485.51642864 in the form p/q where p and q are both positive integers. To start with, 724485.51642864 can be written as simply 724485.51642864/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 724485.51642864, which in this case is 8. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 724485.51642864/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 724485.51642864/1 each by 100000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 724485.51642864 as a fraction:
724485/1 / 1