Home / 515,414.33-772,936.25-178,363.47

Finding the Fourth Proportional to 515,414.33, 772,936.25 and 178,363.47

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Solution

The fourth proportional to 515,414.33, 772,936.25 and 178,363.47 is: 267,481.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,414.33 : 772,936.25 = 178,363.47 : x
  2. Step 2: Convert to fraction form
    515,414.33/772,936.25 = 178,363.47/x
  3. Step 3: Cross multiply
    515,414.33x = 772,936.25 × 178,363.47
  4. Step 4: Simplify right side
    515,414.33x = 137,863,590,746.97
  5. Step 5: Solve for x
    x = 137,863,590,746.97/515,414.33
  6. Step 6: Final answer
    x = 267,481.10

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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.