Home / 957,638.60-1,321,545.26-527,909.30

Finding the Fourth Proportional to 957,638.60, 1,321,545.26 and 527,909.30

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Solution

The fourth proportional to 957,638.60, 1,321,545.26 and 527,909.30 is: 728,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,638.60 : 1,321,545.26 = 527,909.30 : x
  2. Step 2: Convert to fraction form
    957,638.60/1,321,545.26 = 527,909.30/x
  3. Step 3: Cross multiply
    957,638.60x = 1,321,545.26 × 527,909.30
  4. Step 4: Simplify right side
    957,638.60x = 697,656,027,836.97
  5. Step 5: Solve for x
    x = 697,656,027,836.97/957,638.60
  6. Step 6: Final answer
    x = 728,517.03

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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.