Home / 463,426.76-639,380.30-259,447.70

Finding the Fourth Proportional to 463,426.76, 639,380.30 and 259,447.70

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Solution

The fourth proportional to 463,426.76, 639,380.30 and 259,447.70 is: 357,954.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,426.76 : 639,380.30 = 259,447.70 : x
  2. Step 2: Convert to fraction form
    463,426.76/639,380.30 = 259,447.70/x
  3. Step 3: Cross multiply
    463,426.76x = 639,380.30 × 259,447.70
  4. Step 4: Simplify right side
    463,426.76x = 165,885,748,260.31
  5. Step 5: Solve for x
    x = 165,885,748,260.31/463,426.76
  6. Step 6: Final answer
    x = 357,954.62

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1.5x scale

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.