Home / 331,976.40-497,233.08-274,396.56

Finding the Fourth Proportional to 331,976.40, 497,233.08 and 274,396.56

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Solution

The fourth proportional to 331,976.40, 497,233.08 and 274,396.56 is: 410,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,976.40 : 497,233.08 = 274,396.56 : x
  2. Step 2: Convert to fraction form
    331,976.40/497,233.08 = 274,396.56/x
  3. Step 3: Cross multiply
    331,976.40x = 497,233.08 × 274,396.56
  4. Step 4: Simplify right side
    331,976.40x = 136,439,046,670.21
  5. Step 5: Solve for x
    x = 136,439,046,670.21/331,976.40
  6. Step 6: Final answer
    x = 410,990.20

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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.