Step 1:
The first step to converting 521416.0723592 to a fraction is to re-write 521416.0723592 in the form p/q where p and q are both positive integers. To start with, 521416.0723592 can be written as simply 521416.0723592/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 521416.0723592, which in this case is 7. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 521416.0723592/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 521416.0723592/1 each by 10000000:
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 521416.0723592 as a fraction:
521416/1 / 1