Home / 354,936.87-530,788.19-265,042.71

Finding the Fourth Proportional to 354,936.87, 530,788.19 and 265,042.71

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Solution

The fourth proportional to 354,936.87, 530,788.19 and 265,042.71 is: 396,356.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,936.87 : 530,788.19 = 265,042.71 : x
  2. Step 2: Convert to fraction form
    354,936.87/530,788.19 = 265,042.71/x
  3. Step 3: Cross multiply
    354,936.87x = 530,788.19 × 265,042.71
  4. Step 4: Simplify right side
    354,936.87x = 140,681,538,988.38
  5. Step 5: Solve for x
    x = 140,681,538,988.38/354,936.87
  6. Step 6: Final answer
    x = 396,356.51

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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.