Home / 724,045.62-1,086,244-218,576.41

Finding the Fourth Proportional to 724,045.62, 1,086,244 and 218,576.41

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Solution

The fourth proportional to 724,045.62, 1,086,244 and 218,576.41 is: 327,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,045.62 : 1,086,244 = 218,576.41 : x
  2. Step 2: Convert to fraction form
    724,045.62/1,086,244 = 218,576.41/x
  3. Step 3: Cross multiply
    724,045.62x = 1,086,244 × 218,576.41
  4. Step 4: Simplify right side
    724,045.62x = 237,427,313,904.04
  5. Step 5: Solve for x
    x = 237,427,313,904.04/724,045.62
  6. Step 6: Final answer
    x = 327,917.62

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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.