Home / 481,296.78-722,654.76-268,480.44

Finding the Fourth Proportional to 481,296.78, 722,654.76 and 268,480.44

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Solution

The fourth proportional to 481,296.78, 722,654.76 and 268,480.44 is: 403,116.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,296.78 : 722,654.76 = 268,480.44 : x
  2. Step 2: Convert to fraction form
    481,296.78/722,654.76 = 268,480.44/x
  3. Step 3: Cross multiply
    481,296.78x = 722,654.76 × 268,480.44
  4. Step 4: Simplify right side
    481,296.78x = 194,018,667,932.89
  5. Step 5: Solve for x
    x = 194,018,667,932.89/481,296.78
  6. Step 6: Final answer
    x = 403,116.49

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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.