Home / 327,885.40-491,828.10-323,219.80

Finding the Fourth Proportional to 327,885.40, 491,828.10 and 323,219.80

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Solution

The fourth proportional to 327,885.40, 491,828.10 and 323,219.80 is: 484,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,885.40 : 491,828.10 = 323,219.80 : x
  2. Step 2: Convert to fraction form
    327,885.40/491,828.10 = 323,219.80/x
  3. Step 3: Cross multiply
    327,885.40x = 491,828.10 × 323,219.80
  4. Step 4: Simplify right side
    327,885.40x = 158,968,580,116.38
  5. Step 5: Solve for x
    x = 158,968,580,116.38/327,885.40
  6. Step 6: Final answer
    x = 484,829.70

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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.