Home / 489,694.14-675,844.02-274,846.10

Finding the Fourth Proportional to 489,694.14, 675,844.02 and 274,846.10

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Solution

The fourth proportional to 489,694.14, 675,844.02 and 274,846.10 is: 379,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,694.14 : 675,844.02 = 274,846.10 : x
  2. Step 2: Convert to fraction form
    489,694.14/675,844.02 = 274,846.10/x
  3. Step 3: Cross multiply
    489,694.14x = 675,844.02 × 274,846.10
  4. Step 4: Simplify right side
    489,694.14x = 185,753,089,726.10
  5. Step 5: Solve for x
    x = 185,753,089,726.10/489,694.14
  6. Step 6: Final answer
    x = 379,324.71

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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.