Home / 327,927.22-491,890.92-253,156.53

Finding the Fourth Proportional to 327,927.22, 491,890.92 and 253,156.53

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Solution

The fourth proportional to 327,927.22, 491,890.92 and 253,156.53 is: 379,734.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,927.22 : 491,890.92 = 253,156.53 : x
  2. Step 2: Convert to fraction form
    327,927.22/491,890.92 = 253,156.53/x
  3. Step 3: Cross multiply
    327,927.22x = 491,890.92 × 253,156.53
  4. Step 4: Simplify right side
    327,927.22x = 124,525,395,986.25
  5. Step 5: Solve for x
    x = 124,525,395,986.25/327,927.22
  6. Step 6: Final answer
    x = 379,734.86

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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.