Home / 481,964.90-665,111.55-267,118.80

Finding the Fourth Proportional to 481,964.90, 665,111.55 and 267,118.80

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Solution

The fourth proportional to 481,964.90, 665,111.55 and 267,118.80 is: 368,623.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,964.90 : 665,111.55 = 267,118.80 : x
  2. Step 2: Convert to fraction form
    481,964.90/665,111.55 = 267,118.80/x
  3. Step 3: Cross multiply
    481,964.90x = 665,111.55 × 267,118.80
  4. Step 4: Simplify right side
    481,964.90x = 177,663,799,102.14
  5. Step 5: Solve for x
    x = 177,663,799,102.14/481,964.90
  6. Step 6: Final answer
    x = 368,623.94

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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.