Home / 546,546.20-814,386.12-486,923.72

Finding the Fourth Proportional to 546,546.20, 814,386.12 and 486,923.72

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Solution

The fourth proportional to 546,546.20, 814,386.12 and 486,923.72 is: 725,545.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,546.20 : 814,386.12 = 486,923.72 : x
  2. Step 2: Convert to fraction form
    546,546.20/814,386.12 = 486,923.72/x
  3. Step 3: Cross multiply
    546,546.20x = 814,386.12 × 486,923.72
  4. Step 4: Simplify right side
    546,546.20x = 396,543,919,066.77
  5. Step 5: Solve for x
    x = 396,543,919,066.77/546,546.20
  6. Step 6: Final answer
    x = 725,545.10

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