Home / 769,432.90-1,061,872.38-425,261.42

Finding the Fourth Proportional to 769,432.90, 1,061,872.38 and 425,261.42

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Solution

The fourth proportional to 769,432.90, 1,061,872.38 and 425,261.42 is: 586,891.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,432.90 : 1,061,872.38 = 425,261.42 : x
  2. Step 2: Convert to fraction form
    769,432.90/1,061,872.38 = 425,261.42/x
  3. Step 3: Cross multiply
    769,432.90x = 1,061,872.38 × 425,261.42
  4. Step 4: Simplify right side
    769,432.90x = 451,573,356,177.58
  5. Step 5: Solve for x
    x = 451,573,356,177.58/769,432.90
  6. Step 6: Final answer
    x = 586,891.15

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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.