Home / 588,545.25-812,439.24-397,816.98

Finding the Fourth Proportional to 588,545.25, 812,439.24 and 397,816.98

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Solution

The fourth proportional to 588,545.25, 812,439.24 and 397,816.98 is: 549,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,545.25 : 812,439.24 = 397,816.98 : x
  2. Step 2: Convert to fraction form
    588,545.25/812,439.24 = 397,816.98/x
  3. Step 3: Cross multiply
    588,545.25x = 812,439.24 × 397,816.98
  4. Step 4: Simplify right side
    588,545.25x = 323,202,124,890.30
  5. Step 5: Solve for x
    x = 323,202,124,890.30/588,545.25
  6. Step 6: Final answer
    x = 549,154.25

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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.