Home / 914,876.46-1,372,314.42-442,484.46

Finding the Fourth Proportional to 914,876.46, 1,372,314.42 and 442,484.46

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Solution

The fourth proportional to 914,876.46, 1,372,314.42 and 442,484.46 is: 663,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,876.46 : 1,372,314.42 = 442,484.46 : x
  2. Step 2: Convert to fraction form
    914,876.46/1,372,314.42 = 442,484.46/x
  3. Step 3: Cross multiply
    914,876.46x = 1,372,314.42 × 442,484.46
  4. Step 4: Simplify right side
    914,876.46x = 607,227,805,083.91
  5. Step 5: Solve for x
    x = 607,227,805,083.91/914,876.46
  6. Step 6: Final answer
    x = 663,726.56

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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.