Home / 521,618.40-782,233.20-184,528.80

Finding the Fourth Proportional to 521,618.40, 782,233.20 and 184,528.80

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Solution

The fourth proportional to 521,618.40, 782,233.20 and 184,528.80 is: 276,724.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,618.40 : 782,233.20 = 184,528.80 : x
  2. Step 2: Convert to fraction form
    521,618.40/782,233.20 = 184,528.80/x
  3. Step 3: Cross multiply
    521,618.40x = 782,233.20 × 184,528.80
  4. Step 4: Simplify right side
    521,618.40x = 144,344,553,716.16
  5. Step 5: Solve for x
    x = 144,344,553,716.16/521,618.40
  6. Step 6: Final answer
    x = 276,724.43

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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.