Home / 481,986.53-665,141.47-267,140.46

Finding the Fourth Proportional to 481,986.53, 665,141.47 and 267,140.46

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Solution

The fourth proportional to 481,986.53, 665,141.47 and 267,140.46 is: 368,653.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,986.53 : 665,141.47 = 267,140.46 : x
  2. Step 2: Convert to fraction form
    481,986.53/665,141.47 = 267,140.46/x
  3. Step 3: Cross multiply
    481,986.53x = 665,141.47 × 267,140.46
  4. Step 4: Simplify right side
    481,986.53x = 177,686,198,260.88
  5. Step 5: Solve for x
    x = 177,686,198,260.88/481,986.53
  6. Step 6: Final answer
    x = 368,653.87

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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.