Home / 754,767.62-1,132,676.31-487,866.14

Finding the Fourth Proportional to 754,767.62, 1,132,676.31 and 487,866.14

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Solution

The fourth proportional to 754,767.62, 1,132,676.31 and 487,866.14 is: 732,138.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,767.62 : 1,132,676.31 = 487,866.14 : x
  2. Step 2: Convert to fraction form
    754,767.62/1,132,676.31 = 487,866.14/x
  3. Step 3: Cross multiply
    754,767.62x = 1,132,676.31 × 487,866.14
  4. Step 4: Simplify right side
    754,767.62x = 552,594,419,229.14
  5. Step 5: Solve for x
    x = 552,594,419,229.14/754,767.62
  6. Step 6: Final answer
    x = 732,138.48

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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.