Home / 589,789.43-813,885.28-331,659.04

Finding the Fourth Proportional to 589,789.43, 813,885.28 and 331,659.04

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Solution

The fourth proportional to 589,789.43, 813,885.28 and 331,659.04 is: 457,675.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,789.43 : 813,885.28 = 331,659.04 : x
  2. Step 2: Convert to fraction form
    589,789.43/813,885.28 = 331,659.04/x
  3. Step 3: Cross multiply
    589,789.43x = 813,885.28 × 331,659.04
  4. Step 4: Simplify right side
    589,789.43x = 269,932,410,634.93
  5. Step 5: Solve for x
    x = 269,932,410,634.93/589,789.43
  6. Step 6: Final answer
    x = 457,675.90

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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.