Home / 331,028.22-496,846.75-256,626.48

Finding the Fourth Proportional to 331,028.22, 496,846.75 and 256,626.48

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Solution

The fourth proportional to 331,028.22, 496,846.75 and 256,626.48 is: 385,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,028.22 : 496,846.75 = 256,626.48 : x
  2. Step 2: Convert to fraction form
    331,028.22/496,846.75 = 256,626.48/x
  3. Step 3: Cross multiply
    331,028.22x = 496,846.75 × 256,626.48
  4. Step 4: Simplify right side
    331,028.22x = 127,504,032,551.94
  5. Step 5: Solve for x
    x = 127,504,032,551.94/331,028.22
  6. Step 6: Final answer
    x = 385,175.72

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1.5x scale

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.