Home / 657,860.40-986,790.02-247,606.35

Finding the Fourth Proportional to 657,860.40, 986,790.02 and 247,606.35

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Solution

The fourth proportional to 657,860.40, 986,790.02 and 247,606.35 is: 371,409.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,860.40 : 986,790.02 = 247,606.35 : x
  2. Step 2: Convert to fraction form
    657,860.40/986,790.02 = 247,606.35/x
  3. Step 3: Cross multiply
    657,860.40x = 986,790.02 × 247,606.35
  4. Step 4: Simplify right side
    657,860.40x = 244,335,477,535.60
  5. Step 5: Solve for x
    x = 244,335,477,535.60/657,860.40
  6. Step 6: Final answer
    x = 371,409.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.