Home / 654,087.60-981,279.47-227,643.55

Finding the Fourth Proportional to 654,087.60, 981,279.47 and 227,643.55

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Solution

The fourth proportional to 654,087.60, 981,279.47 and 227,643.55 is: 341,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,087.60 : 981,279.47 = 227,643.55 : x
  2. Step 2: Convert to fraction form
    654,087.60/981,279.47 = 227,643.55/x
  3. Step 3: Cross multiply
    654,087.60x = 981,279.47 × 227,643.55
  4. Step 4: Simplify right side
    654,087.60x = 223,381,942,092.92
  5. Step 5: Solve for x
    x = 223,381,942,092.92/654,087.60
  6. Step 6: Final answer
    x = 341,516.86

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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.