Home / 331,724.31-496,857.12-274,145.66

Finding the Fourth Proportional to 331,724.31, 496,857.12 and 274,145.66

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Solution

The fourth proportional to 331,724.31, 496,857.12 and 274,145.66 is: 410,615.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,724.31 : 496,857.12 = 274,145.66 : x
  2. Step 2: Convert to fraction form
    331,724.31/496,857.12 = 274,145.66/x
  3. Step 3: Cross multiply
    331,724.31x = 496,857.12 × 274,145.66
  4. Step 4: Simplify right side
    331,724.31x = 136,211,220,603.81
  5. Step 5: Solve for x
    x = 136,211,220,603.81/331,724.31
  6. Step 6: Final answer
    x = 410,615.73

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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.