Home / 462,426.92-691,896.20-272,990.33

Finding the Fourth Proportional to 462,426.92, 691,896.20 and 272,990.33

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Solution

The fourth proportional to 462,426.92, 691,896.20 and 272,990.33 is: 408,455.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,426.92 : 691,896.20 = 272,990.33 : x
  2. Step 2: Convert to fraction form
    462,426.92/691,896.20 = 272,990.33/x
  3. Step 3: Cross multiply
    462,426.92x = 691,896.20 × 272,990.33
  4. Step 4: Simplify right side
    462,426.92x = 188,880,969,186.74
  5. Step 5: Solve for x
    x = 188,880,969,186.74/462,426.92
  6. Step 6: Final answer
    x = 408,455.83

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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.