Home / 957,542.40-1,321,355.52-527,821.92

Finding the Fourth Proportional to 957,542.40, 1,321,355.52 and 527,821.92

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Solution

The fourth proportional to 957,542.40, 1,321,355.52 and 527,821.92 is: 728,365.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,542.40 : 1,321,355.52 = 527,821.92 : x
  2. Step 2: Convert to fraction form
    957,542.40/1,321,355.52 = 527,821.92/x
  3. Step 3: Cross multiply
    957,542.40x = 1,321,355.52 × 527,821.92
  4. Step 4: Simplify right side
    957,542.40x = 697,440,407,569.00
  5. Step 5: Solve for x
    x = 697,440,407,569.00/957,542.40
  6. Step 6: Final answer
    x = 728,365.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.