Home / 465,832.52-642,871.98-284,515.10

Finding the Fourth Proportional to 465,832.52, 642,871.98 and 284,515.10

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Solution

The fourth proportional to 465,832.52, 642,871.98 and 284,515.10 is: 392,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,832.52 : 642,871.98 = 284,515.10 : x
  2. Step 2: Convert to fraction form
    465,832.52/642,871.98 = 284,515.10/x
  3. Step 3: Cross multiply
    465,832.52x = 642,871.98 × 284,515.10
  4. Step 4: Simplify right side
    465,832.52x = 182,906,782,462.54
  5. Step 5: Solve for x
    x = 182,906,782,462.54/465,832.52
  6. Step 6: Final answer
    x = 392,644.95

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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.