Home / 719,516.91-992,934.59-397,227.53

Finding the Fourth Proportional to 719,516.91, 992,934.59 and 397,227.53

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Solution

The fourth proportional to 719,516.91, 992,934.59 and 397,227.53 is: 548,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,516.91 : 992,934.59 = 397,227.53 : x
  2. Step 2: Convert to fraction form
    719,516.91/992,934.59 = 397,227.53/x
  3. Step 3: Cross multiply
    719,516.91x = 992,934.59 × 397,227.53
  4. Step 4: Simplify right side
    719,516.91x = 394,420,950,665.66
  5. Step 5: Solve for x
    x = 394,420,950,665.66/719,516.91
  6. Step 6: Final answer
    x = 548,174.68

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1.5x scale

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.