Home / 754,247.28-1,131,370.50-221,772.72

Finding the Fourth Proportional to 754,247.28, 1,131,370.50 and 221,772.72

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Solution

The fourth proportional to 754,247.28, 1,131,370.50 and 221,772.72 is: 332,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,247.28 : 1,131,370.50 = 221,772.72 : x
  2. Step 2: Convert to fraction form
    754,247.28/1,131,370.50 = 221,772.72/x
  3. Step 3: Cross multiply
    754,247.28x = 1,131,370.50 × 221,772.72
  4. Step 4: Simplify right side
    754,247.28x = 250,907,113,112.76
  5. Step 5: Solve for x
    x = 250,907,113,112.76/754,247.28
  6. Step 6: Final answer
    x = 332,658.96

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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.