Home / 754,819.38-1,132,229.07-193,854.42

Finding the Fourth Proportional to 754,819.38, 1,132,229.07 and 193,854.42

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Solution

The fourth proportional to 754,819.38, 1,132,229.07 and 193,854.42 is: 290,781.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,819.38 : 1,132,229.07 = 193,854.42 : x
  2. Step 2: Convert to fraction form
    754,819.38/1,132,229.07 = 193,854.42/x
  3. Step 3: Cross multiply
    754,819.38x = 1,132,229.07 × 193,854.42
  4. Step 4: Simplify right side
    754,819.38x = 219,487,609,671.99
  5. Step 5: Solve for x
    x = 219,487,609,671.99/754,819.38
  6. Step 6: Final answer
    x = 290,781.63

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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.