Home / 625,786.54-863,532.03-353,841.10

Finding the Fourth Proportional to 625,786.54, 863,532.03 and 353,841.10

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Solution

The fourth proportional to 625,786.54, 863,532.03 and 353,841.10 is: 488,270.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,786.54 : 863,532.03 = 353,841.10 : x
  2. Step 2: Convert to fraction form
    625,786.54/863,532.03 = 353,841.10/x
  3. Step 3: Cross multiply
    625,786.54x = 863,532.03 × 353,841.10
  4. Step 4: Simplify right side
    625,786.54x = 305,553,123,380.43
  5. Step 5: Solve for x
    x = 305,553,123,380.43/625,786.54
  6. Step 6: Final answer
    x = 488,270.53

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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.