Home / 393,156.40-588,734.05-259,836.88

Finding the Fourth Proportional to 393,156.40, 588,734.05 and 259,836.88

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Solution

The fourth proportional to 393,156.40, 588,734.05 and 259,836.88 is: 389,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,156.40 : 588,734.05 = 259,836.88 : x
  2. Step 2: Convert to fraction form
    393,156.40/588,734.05 = 259,836.88/x
  3. Step 3: Cross multiply
    393,156.40x = 588,734.05 × 259,836.88
  4. Step 4: Simplify right side
    393,156.40x = 152,974,819,275.28
  5. Step 5: Solve for x
    x = 152,974,819,275.28/393,156.40
  6. Step 6: Final answer
    x = 389,094.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.