Home / 465,974.46-642,270.42-329,833.80

Finding the Fourth Proportional to 465,974.46, 642,270.42 and 329,833.80

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Solution

The fourth proportional to 465,974.46, 642,270.42 and 329,833.80 is: 454,622.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,974.46 : 642,270.42 = 329,833.80 : x
  2. Step 2: Convert to fraction form
    465,974.46/642,270.42 = 329,833.80/x
  3. Step 3: Cross multiply
    465,974.46x = 642,270.42 × 329,833.80
  4. Step 4: Simplify right side
    465,974.46x = 211,842,493,256.20
  5. Step 5: Solve for x
    x = 211,842,493,256.20/465,974.46
  6. Step 6: Final answer
    x = 454,622.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.