Home / 653,046.14-979,190.87-253,218.80

Finding the Fourth Proportional to 653,046.14, 979,190.87 and 253,218.80

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Solution

The fourth proportional to 653,046.14, 979,190.87 and 253,218.80 is: 379,681.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,046.14 : 979,190.87 = 253,218.80 : x
  2. Step 2: Convert to fraction form
    653,046.14/979,190.87 = 253,218.80/x
  3. Step 3: Cross multiply
    653,046.14x = 979,190.87 × 253,218.80
  4. Step 4: Simplify right side
    653,046.14x = 247,949,530,910.31
  5. Step 5: Solve for x
    x = 247,949,530,910.31/653,046.14
  6. Step 6: Final answer
    x = 379,681.49

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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.