Home / 501,511.43-752,264.49-122,434.17

Finding the Fourth Proportional to 501,511.43, 752,264.49 and 122,434.17

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Solution

The fourth proportional to 501,511.43, 752,264.49 and 122,434.17 is: 183,650.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,511.43 : 752,264.49 = 122,434.17 : x
  2. Step 2: Convert to fraction form
    501,511.43/752,264.49 = 122,434.17/x
  3. Step 3: Cross multiply
    501,511.43x = 752,264.49 × 122,434.17
  4. Step 4: Simplify right side
    501,511.43x = 92,102,878,453.62
  5. Step 5: Solve for x
    x = 92,102,878,453.62/501,511.43
  6. Step 6: Final answer
    x = 183,650.61

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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.