Home / 331,628.48-497,439.04-198,545.92

Finding the Fourth Proportional to 331,628.48, 497,439.04 and 198,545.92

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Solution

The fourth proportional to 331,628.48, 497,439.04 and 198,545.92 is: 297,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,628.48 : 497,439.04 = 198,545.92 : x
  2. Step 2: Convert to fraction form
    331,628.48/497,439.04 = 198,545.92/x
  3. Step 3: Cross multiply
    331,628.48x = 497,439.04 × 198,545.92
  4. Step 4: Simplify right side
    331,628.48x = 98,764,491,840.72
  5. Step 5: Solve for x
    x = 98,764,491,840.72/331,628.48
  6. Step 6: Final answer
    x = 297,816.68

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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.