Home / 699,081.98-964,723.97-393,158.27

Finding the Fourth Proportional to 699,081.98, 964,723.97 and 393,158.27

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Solution

The fourth proportional to 699,081.98, 964,723.97 and 393,158.27 is: 542,553.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,081.98 : 964,723.97 = 393,158.27 : x
  2. Step 2: Convert to fraction form
    699,081.98/964,723.97 = 393,158.27/x
  3. Step 3: Cross multiply
    699,081.98x = 964,723.97 × 393,158.27
  4. Step 4: Simplify right side
    699,081.98x = 379,289,210,467.44
  5. Step 5: Solve for x
    x = 379,289,210,467.44/699,081.98
  6. Step 6: Final answer
    x = 542,553.27

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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.