Home / 527,200.10-790,800.15-502,705.70

Finding the Fourth Proportional to 527,200.10, 790,800.15 and 502,705.70

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Solution

The fourth proportional to 527,200.10, 790,800.15 and 502,705.70 is: 754,058.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,200.10 : 790,800.15 = 502,705.70 : x
  2. Step 2: Convert to fraction form
    527,200.10/790,800.15 = 502,705.70/x
  3. Step 3: Cross multiply
    527,200.10x = 790,800.15 × 502,705.70
  4. Step 4: Simplify right side
    527,200.10x = 397,539,742,965.86
  5. Step 5: Solve for x
    x = 397,539,742,965.86/527,200.10
  6. Step 6: Final answer
    x = 754,058.55

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Double scale
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Similar ratio
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1.5x scale

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.