Home / 754,765.62-1,132,673.31-487,864.14

Finding the Fourth Proportional to 754,765.62, 1,132,673.31 and 487,864.14

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Solution

The fourth proportional to 754,765.62, 1,132,673.31 and 487,864.14 is: 732,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,765.62 : 1,132,673.31 = 487,864.14 : x
  2. Step 2: Convert to fraction form
    754,765.62/1,132,673.31 = 487,864.14/x
  3. Step 3: Cross multiply
    754,765.62x = 1,132,673.31 × 487,864.14
  4. Step 4: Simplify right side
    754,765.62x = 552,590,690,284.10
  5. Step 5: Solve for x
    x = 552,590,690,284.10/754,765.62
  6. Step 6: Final answer
    x = 732,135.48

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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.