Home / 463,263.30-639,314.19-259,309.17

Finding the Fourth Proportional to 463,263.30, 639,314.19 and 259,309.17

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Solution

The fourth proportional to 463,263.30, 639,314.19 and 259,309.17 is: 357,852.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,263.30 : 639,314.19 = 259,309.17 : x
  2. Step 2: Convert to fraction form
    463,263.30/639,314.19 = 259,309.17/x
  3. Step 3: Cross multiply
    463,263.30x = 639,314.19 × 259,309.17
  4. Step 4: Simplify right side
    463,263.30x = 165,780,031,978.12
  5. Step 5: Solve for x
    x = 165,780,031,978.12/463,263.30
  6. Step 6: Final answer
    x = 357,852.72

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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.