Home / 653,614.11-980,578.78-227,087.87

Finding the Fourth Proportional to 653,614.11, 980,578.78 and 227,087.87

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Solution

The fourth proportional to 653,614.11, 980,578.78 and 227,087.87 is: 340,686.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,614.11 : 980,578.78 = 227,087.87 : x
  2. Step 2: Convert to fraction form
    653,614.11/980,578.78 = 227,087.87/x
  3. Step 3: Cross multiply
    653,614.11x = 980,578.78 × 227,087.87
  4. Step 4: Simplify right side
    653,614.11x = 222,677,541,046.79
  5. Step 5: Solve for x
    x = 222,677,541,046.79/653,614.11
  6. Step 6: Final answer
    x = 340,686.56

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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.