Home / 676,407.83-933,440.76-382,025.30

Finding the Fourth Proportional to 676,407.83, 933,440.76 and 382,025.30

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Solution

The fourth proportional to 676,407.83, 933,440.76 and 382,025.30 is: 527,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,407.83 : 933,440.76 = 382,025.30 : x
  2. Step 2: Convert to fraction form
    676,407.83/933,440.76 = 382,025.30/x
  3. Step 3: Cross multiply
    676,407.83x = 933,440.76 × 382,025.30
  4. Step 4: Simplify right side
    676,407.83x = 356,597,981,704.02
  5. Step 5: Solve for x
    x = 356,597,981,704.02/676,407.83
  6. Step 6: Final answer
    x = 527,193.76

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.