Home / 481,928.60-665,065.38-267,072.20

Finding the Fourth Proportional to 481,928.60, 665,065.38 and 267,072.20

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Solution

The fourth proportional to 481,928.60, 665,065.38 and 267,072.20 is: 368,561.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,928.60 : 665,065.38 = 267,072.20 : x
  2. Step 2: Convert to fraction form
    481,928.60/665,065.38 = 267,072.20/x
  3. Step 3: Cross multiply
    481,928.60x = 665,065.38 × 267,072.20
  4. Step 4: Simplify right side
    481,928.60x = 177,620,474,180.44
  5. Step 5: Solve for x
    x = 177,620,474,180.44/481,928.60
  6. Step 6: Final answer
    x = 368,561.80

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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.