Home / 733,781.70-1,100,672.55-521,205.30

Finding the Fourth Proportional to 733,781.70, 1,100,672.55 and 521,205.30

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Solution

The fourth proportional to 733,781.70, 1,100,672.55 and 521,205.30 is: 781,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,781.70 : 1,100,672.55 = 521,205.30 : x
  2. Step 2: Convert to fraction form
    733,781.70/1,100,672.55 = 521,205.30/x
  3. Step 3: Cross multiply
    733,781.70x = 1,100,672.55 × 521,205.30
  4. Step 4: Simplify right side
    733,781.70x = 573,676,366,624.52
  5. Step 5: Solve for x
    x = 573,676,366,624.52/733,781.70
  6. Step 6: Final answer
    x = 781,807.95

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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.