Home / 918,234.70-1,377,352.05-650,545.90

Finding the Fourth Proportional to 918,234.70, 1,377,352.05 and 650,545.90

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Solution

The fourth proportional to 918,234.70, 1,377,352.05 and 650,545.90 is: 975,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,234.70 : 1,377,352.05 = 650,545.90 : x
  2. Step 2: Convert to fraction form
    918,234.70/1,377,352.05 = 650,545.90/x
  3. Step 3: Cross multiply
    918,234.70x = 1,377,352.05 × 650,545.90
  4. Step 4: Simplify right side
    918,234.70x = 896,030,728,984.10
  5. Step 5: Solve for x
    x = 896,030,728,984.10/918,234.70
  6. Step 6: Final answer
    x = 975,818.85

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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.