Home / 994,363.80-1,491,545.70-363,730.20

Finding the Fourth Proportional to 994,363.80, 1,491,545.70 and 363,730.20

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Solution

The fourth proportional to 994,363.80, 1,491,545.70 and 363,730.20 is: 545,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,363.80 : 1,491,545.70 = 363,730.20 : x
  2. Step 2: Convert to fraction form
    994,363.80/1,491,545.70 = 363,730.20/x
  3. Step 3: Cross multiply
    994,363.80x = 1,491,545.70 × 363,730.20
  4. Step 4: Simplify right side
    994,363.80x = 542,520,215,770.14
  5. Step 5: Solve for x
    x = 542,520,215,770.14/994,363.80
  6. Step 6: Final answer
    x = 545,595.30

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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.