Home / 753,170.10-1,129,754.52-192,204.60

Finding the Fourth Proportional to 753,170.10, 1,129,754.52 and 192,204.60

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Solution

The fourth proportional to 753,170.10, 1,129,754.52 and 192,204.60 is: 288,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,170.10 : 1,129,754.52 = 192,204.60 : x
  2. Step 2: Convert to fraction form
    753,170.10/1,129,754.52 = 192,204.60/x
  3. Step 3: Cross multiply
    753,170.10x = 1,129,754.52 × 192,204.60
  4. Step 4: Simplify right side
    753,170.10x = 217,144,015,614.79
  5. Step 5: Solve for x
    x = 217,144,015,614.79/753,170.10
  6. Step 6: Final answer
    x = 288,306.74

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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.