Definition: In this task, you will be given a list of numbers. The goal is to divide all the numbers in the list by a constant such that the sum of the resulting list is 1. The output should be rounded to 3 decimals.
Input: [-28.7, -51.293, -86.46, -40.379, 57.122]

[ 0.192  0.343  0.578  0.27  -0.382]