Home / 521,286.28-781,993.81-184,257.43

Finding the Fourth Proportional to 521,286.28, 781,993.81 and 184,257.43

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Solution

The fourth proportional to 521,286.28, 781,993.81 and 184,257.43 is: 276,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,286.28 : 781,993.81 = 184,257.43 : x
  2. Step 2: Convert to fraction form
    521,286.28/781,993.81 = 184,257.43/x
  3. Step 3: Cross multiply
    521,286.28x = 781,993.81 × 184,257.43
  4. Step 4: Simplify right side
    521,286.28x = 144,088,167,981.85
  5. Step 5: Solve for x
    x = 144,088,167,981.85/521,286.28
  6. Step 6: Final answer
    x = 276,408.90

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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.