Home / 556,278.20-834,417.30-497,229.20

Finding the Fourth Proportional to 556,278.20, 834,417.30 and 497,229.20

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Solution

The fourth proportional to 556,278.20, 834,417.30 and 497,229.20 is: 745,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,278.20 : 834,417.30 = 497,229.20 : x
  2. Step 2: Convert to fraction form
    556,278.20/834,417.30 = 497,229.20/x
  3. Step 3: Cross multiply
    556,278.20x = 834,417.30 × 497,229.20
  4. Step 4: Simplify right side
    556,278.20x = 414,896,646,545.16
  5. Step 5: Solve for x
    x = 414,896,646,545.16/556,278.20
  6. Step 6: Final answer
    x = 745,843.80

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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.