Home / 913,411.52-1,369,175.52-381,242.24

Finding the Fourth Proportional to 913,411.52, 1,369,175.52 and 381,242.24

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Solution

The fourth proportional to 913,411.52, 1,369,175.52 and 381,242.24 is: 571,470.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,411.52 : 1,369,175.52 = 381,242.24 : x
  2. Step 2: Convert to fraction form
    913,411.52/1,369,175.52 = 381,242.24/x
  3. Step 3: Cross multiply
    913,411.52x = 1,369,175.52 × 381,242.24
  4. Step 4: Simplify right side
    913,411.52x = 521,987,542,197.97
  5. Step 5: Solve for x
    x = 521,987,542,197.97/913,411.52
  6. Step 6: Final answer
    x = 571,470.29

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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.