Home / 814,572.88-1,124,116.76-451,998.16

Finding the Fourth Proportional to 814,572.88, 1,124,116.76 and 451,998.16

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Solution

The fourth proportional to 814,572.88, 1,124,116.76 and 451,998.16 is: 623,760.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,572.88 : 1,124,116.76 = 451,998.16 : x
  2. Step 2: Convert to fraction form
    814,572.88/1,124,116.76 = 451,998.16/x
  3. Step 3: Cross multiply
    814,572.88x = 1,124,116.76 × 451,998.16
  4. Step 4: Simplify right side
    814,572.88x = 508,098,707,145.16
  5. Step 5: Solve for x
    x = 508,098,707,145.16/814,572.88
  6. Step 6: Final answer
    x = 623,760.89

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.