Home / 667,373.04-1,001,137.32-218,127.60

Finding the Fourth Proportional to 667,373.04, 1,001,137.32 and 218,127.60

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Solution

The fourth proportional to 667,373.04, 1,001,137.32 and 218,127.60 is: 327,216.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,373.04 : 1,001,137.32 = 218,127.60 : x
  2. Step 2: Convert to fraction form
    667,373.04/1,001,137.32 = 218,127.60/x
  3. Step 3: Cross multiply
    667,373.04x = 1,001,137.32 × 218,127.60
  4. Step 4: Simplify right side
    667,373.04x = 218,375,680,882.03
  5. Step 5: Solve for x
    x = 218,375,680,882.03/667,373.04
  6. Step 6: Final answer
    x = 327,216.82

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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.