Home / 541,178.61-746,905.33-311,691.24

Finding the Fourth Proportional to 541,178.61, 746,905.33 and 311,691.24

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Solution

The fourth proportional to 541,178.61, 746,905.33 and 311,691.24 is: 430,179.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,178.61 : 746,905.33 = 311,691.24 : x
  2. Step 2: Convert to fraction form
    541,178.61/746,905.33 = 311,691.24/x
  3. Step 3: Cross multiply
    541,178.61x = 746,905.33 × 311,691.24
  4. Step 4: Simplify right side
    541,178.61x = 232,803,848,470.31
  5. Step 5: Solve for x
    x = 232,803,848,470.31/541,178.61
  6. Step 6: Final answer
    x = 430,179.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.