Home / 548,721.11-823,229.58-228,766.64

Finding the Fourth Proportional to 548,721.11, 823,229.58 and 228,766.64

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Solution

The fourth proportional to 548,721.11, 823,229.58 and 228,766.64 is: 343,211.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,721.11 : 823,229.58 = 228,766.64 : x
  2. Step 2: Convert to fraction form
    548,721.11/823,229.58 = 228,766.64/x
  3. Step 3: Cross multiply
    548,721.11x = 823,229.58 × 228,766.64
  4. Step 4: Simplify right side
    548,721.11x = 188,327,464,965.21
  5. Step 5: Solve for x
    x = 188,327,464,965.21/548,721.11
  6. Step 6: Final answer
    x = 343,211.63

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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.