Home / 449,944.61-621,079.92-259,034.09

Finding the Fourth Proportional to 449,944.61, 621,079.92 and 259,034.09

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Solution

The fourth proportional to 449,944.61, 621,079.92 and 259,034.09 is: 357,557.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,944.61 : 621,079.92 = 259,034.09 : x
  2. Step 2: Convert to fraction form
    449,944.61/621,079.92 = 259,034.09/x
  3. Step 3: Cross multiply
    449,944.61x = 621,079.92 × 259,034.09
  4. Step 4: Simplify right side
    449,944.61x = 160,880,868,789.07
  5. Step 5: Solve for x
    x = 160,880,868,789.07/449,944.61
  6. Step 6: Final answer
    x = 357,557.06

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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.