Home / 667,306.80-1,001,057.40-218,048.40

Finding the Fourth Proportional to 667,306.80, 1,001,057.40 and 218,048.40

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Solution

The fourth proportional to 667,306.80, 1,001,057.40 and 218,048.40 is: 327,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,306.80 : 1,001,057.40 = 218,048.40 : x
  2. Step 2: Convert to fraction form
    667,306.80/1,001,057.40 = 218,048.40/x
  3. Step 3: Cross multiply
    667,306.80x = 1,001,057.40 × 218,048.40
  4. Step 4: Simplify right side
    667,306.80x = 218,278,964,378.16
  5. Step 5: Solve for x
    x = 218,278,964,378.16/667,306.80
  6. Step 6: Final answer
    x = 327,104.36

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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.