Home / 689,592.66-951,555.18-383,591.70

Finding the Fourth Proportional to 689,592.66, 951,555.18 and 383,591.70

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Solution

The fourth proportional to 689,592.66, 951,555.18 and 383,591.70 is: 529,310.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,592.66 : 951,555.18 = 383,591.70 : x
  2. Step 2: Convert to fraction form
    689,592.66/951,555.18 = 383,591.70/x
  3. Step 3: Cross multiply
    689,592.66x = 951,555.18 × 383,591.70
  4. Step 4: Simplify right side
    689,592.66x = 365,008,669,140.01
  5. Step 5: Solve for x
    x = 365,008,669,140.01/689,592.66
  6. Step 6: Final answer
    x = 529,310.55

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Double scale
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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.