Home / 481,650.30-722,473.02-121,821.17

Finding the Fourth Proportional to 481,650.30, 722,473.02 and 121,821.17

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Solution

The fourth proportional to 481,650.30, 722,473.02 and 121,821.17 is: 182,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,650.30 : 722,473.02 = 121,821.17 : x
  2. Step 2: Convert to fraction form
    481,650.30/722,473.02 = 121,821.17/x
  3. Step 3: Cross multiply
    481,650.30x = 722,473.02 × 121,821.17
  4. Step 4: Simplify right side
    481,650.30x = 88,012,504,977.47
  5. Step 5: Solve for x
    x = 88,012,504,977.47/481,650.30
  6. Step 6: Final answer
    x = 182,731.13

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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.