Home / 481,844.90-722,768.95-122,015.57

Finding the Fourth Proportional to 481,844.90, 722,768.95 and 122,015.57

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Solution

The fourth proportional to 481,844.90, 722,768.95 and 122,015.57 is: 183,023.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,844.90 : 722,768.95 = 122,015.57 : x
  2. Step 2: Convert to fraction form
    481,844.90/722,768.95 = 122,015.57/x
  3. Step 3: Cross multiply
    481,844.90x = 722,768.95 × 122,015.57
  4. Step 4: Simplify right side
    481,844.90x = 88,189,061,608.06
  5. Step 5: Solve for x
    x = 88,189,061,608.06/481,844.90
  6. Step 6: Final answer
    x = 183,023.75

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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.