Home / 463,260.31-639,310.05-259,306.16

Finding the Fourth Proportional to 463,260.31, 639,310.05 and 259,306.16

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Solution

The fourth proportional to 463,260.31, 639,310.05 and 259,306.16 is: 357,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,260.31 : 639,310.05 = 259,306.16 : x
  2. Step 2: Convert to fraction form
    463,260.31/639,310.05 = 259,306.16/x
  3. Step 3: Cross multiply
    463,260.31x = 639,310.05 × 259,306.16
  4. Step 4: Simplify right side
    463,260.31x = 165,777,030,918.36
  5. Step 5: Solve for x
    x = 165,777,030,918.36/463,260.31
  6. Step 6: Final answer
    x = 357,848.55

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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.