Home / 445,114.20-666,764.10-276,115.80

Finding the Fourth Proportional to 445,114.20, 666,764.10 and 276,115.80

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Solution

The fourth proportional to 445,114.20, 666,764.10 and 276,115.80 is: 413,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,114.20 : 666,764.10 = 276,115.80 : x
  2. Step 2: Convert to fraction form
    445,114.20/666,764.10 = 276,115.80/x
  3. Step 3: Cross multiply
    445,114.20x = 666,764.10 × 276,115.80
  4. Step 4: Simplify right side
    445,114.20x = 184,104,102,882.78
  5. Step 5: Solve for x
    x = 184,104,102,882.78/445,114.20
  6. Step 6: Final answer
    x = 413,610.94

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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.