Home / 644,171.46-965,957.19-239,081.55

Finding the Fourth Proportional to 644,171.46, 965,957.19 and 239,081.55

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Solution

The fourth proportional to 644,171.46, 965,957.19 and 239,081.55 is: 358,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,171.46 : 965,957.19 = 239,081.55 : x
  2. Step 2: Convert to fraction form
    644,171.46/965,957.19 = 239,081.55/x
  3. Step 3: Cross multiply
    644,171.46x = 965,957.19 × 239,081.55
  4. Step 4: Simplify right side
    644,171.46x = 230,942,542,218.84
  5. Step 5: Solve for x
    x = 230,942,542,218.84/644,171.46
  6. Step 6: Final answer
    x = 358,510.98

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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.