Home / 558,639.38-837,299.78-238,697.69

Finding the Fourth Proportional to 558,639.38, 837,299.78 and 238,697.69

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Solution

The fourth proportional to 558,639.38, 837,299.78 and 238,697.69 is: 357,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,639.38 : 837,299.78 = 238,697.69 : x
  2. Step 2: Convert to fraction form
    558,639.38/837,299.78 = 238,697.69/x
  3. Step 3: Cross multiply
    558,639.38x = 837,299.78 × 238,697.69
  4. Step 4: Simplify right side
    558,639.38x = 199,861,520,181.31
  5. Step 5: Solve for x
    x = 199,861,520,181.31/558,639.38
  6. Step 6: Final answer
    x = 357,764.82

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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.