Home / 667,541.32-1,001,535.54-218,282.92

Finding the Fourth Proportional to 667,541.32, 1,001,535.54 and 218,282.92

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Solution

The fourth proportional to 667,541.32, 1,001,535.54 and 218,282.92 is: 327,497.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,541.32 : 1,001,535.54 = 218,282.92 : x
  2. Step 2: Convert to fraction form
    667,541.32/1,001,535.54 = 218,282.92/x
  3. Step 3: Cross multiply
    667,541.32x = 1,001,535.54 × 218,282.92
  4. Step 4: Simplify right side
    667,541.32x = 218,618,102,154.98
  5. Step 5: Solve for x
    x = 218,618,102,154.98/667,541.32
  6. Step 6: Final answer
    x = 327,497.48

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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.