Home / 635,621.76-876,234.24-444,040.56

Finding the Fourth Proportional to 635,621.76, 876,234.24 and 444,040.56

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Solution

The fourth proportional to 635,621.76, 876,234.24 and 444,040.56 is: 612,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,621.76 : 876,234.24 = 444,040.56 : x
  2. Step 2: Convert to fraction form
    635,621.76/876,234.24 = 444,040.56/x
  3. Step 3: Cross multiply
    635,621.76x = 876,234.24 × 444,040.56
  4. Step 4: Simplify right side
    635,621.76x = 389,083,542,620.77
  5. Step 5: Solve for x
    x = 389,083,542,620.77/635,621.76
  6. Step 6: Final answer
    x = 612,130.62

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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.