Home / 762,817.92-1,052,882.24-521,198.16

Finding the Fourth Proportional to 762,817.92, 1,052,882.24 and 521,198.16

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Solution

The fourth proportional to 762,817.92, 1,052,882.24 and 521,198.16 is: 719,385.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,817.92 : 1,052,882.24 = 521,198.16 : x
  2. Step 2: Convert to fraction form
    762,817.92/1,052,882.24 = 521,198.16/x
  3. Step 3: Cross multiply
    762,817.92x = 1,052,882.24 × 521,198.16
  4. Step 4: Simplify right side
    762,817.92x = 548,760,286,184.68
  5. Step 5: Solve for x
    x = 548,760,286,184.68/762,817.92
  6. Step 6: Final answer
    x = 719,385.68

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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.