Home / 541,432.20-812,148.30-275,711.70

Finding the Fourth Proportional to 541,432.20, 812,148.30 and 275,711.70

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Solution

The fourth proportional to 541,432.20, 812,148.30 and 275,711.70 is: 413,567.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,432.20 : 812,148.30 = 275,711.70 : x
  2. Step 2: Convert to fraction form
    541,432.20/812,148.30 = 275,711.70/x
  3. Step 3: Cross multiply
    541,432.20x = 812,148.30 × 275,711.70
  4. Step 4: Simplify right side
    541,432.20x = 223,918,788,445.11
  5. Step 5: Solve for x
    x = 223,918,788,445.11/541,432.20
  6. Step 6: Final answer
    x = 413,567.55

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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.