Home / 428,651.19-591,418.94-337,724.91

Finding the Fourth Proportional to 428,651.19, 591,418.94 and 337,724.91

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Solution

The fourth proportional to 428,651.19, 591,418.94 and 337,724.91 is: 465,966.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,651.19 : 591,418.94 = 337,724.91 : x
  2. Step 2: Convert to fraction form
    428,651.19/591,418.94 = 337,724.91/x
  3. Step 3: Cross multiply
    428,651.19x = 591,418.94 × 337,724.91
  4. Step 4: Simplify right side
    428,651.19x = 199,736,906,595.17
  5. Step 5: Solve for x
    x = 199,736,906,595.17/428,651.19
  6. Step 6: Final answer
    x = 465,966.06

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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.