Home / 379,439.24-523,633.66-207,367.85

Finding the Fourth Proportional to 379,439.24, 523,633.66 and 207,367.85

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Solution

The fourth proportional to 379,439.24, 523,633.66 and 207,367.85 is: 286,171.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,439.24 : 523,633.66 = 207,367.85 : x
  2. Step 2: Convert to fraction form
    379,439.24/523,633.66 = 207,367.85/x
  3. Step 3: Cross multiply
    379,439.24x = 523,633.66 × 207,367.85
  4. Step 4: Simplify right side
    379,439.24x = 108,584,787,052.50
  5. Step 5: Solve for x
    x = 108,584,787,052.50/379,439.24
  6. Step 6: Final answer
    x = 286,171.74

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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.