Home / 667,240.76-1,000,857.46-161,801.36

Finding the Fourth Proportional to 667,240.76, 1,000,857.46 and 161,801.36

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Solution

The fourth proportional to 667,240.76, 1,000,857.46 and 161,801.36 is: 242,701.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,240.76 : 1,000,857.46 = 161,801.36 : x
  2. Step 2: Convert to fraction form
    667,240.76/1,000,857.46 = 161,801.36/x
  3. Step 3: Cross multiply
    667,240.76x = 1,000,857.46 × 161,801.36
  4. Step 4: Simplify right side
    667,240.76x = 161,940,098,194.15
  5. Step 5: Solve for x
    x = 161,940,098,194.15/667,240.76
  6. Step 6: Final answer
    x = 242,701.15

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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.