Home / 527,983.68-791,998.55-258,338.85

Finding the Fourth Proportional to 527,983.68, 791,998.55 and 258,338.85

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Solution

The fourth proportional to 527,983.68, 791,998.55 and 258,338.85 is: 387,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,983.68 : 791,998.55 = 258,338.85 : x
  2. Step 2: Convert to fraction form
    527,983.68/791,998.55 = 258,338.85/x
  3. Step 3: Cross multiply
    527,983.68x = 791,998.55 × 258,338.85
  4. Step 4: Simplify right side
    527,983.68x = 204,603,996,242.77
  5. Step 5: Solve for x
    x = 204,603,996,242.77/527,983.68
  6. Step 6: Final answer
    x = 387,519.55

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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.