Home / 454,931.06-627,601.86-263,833.70

Finding the Fourth Proportional to 454,931.06, 627,601.86 and 263,833.70

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Solution

The fourth proportional to 454,931.06, 627,601.86 and 263,833.70 is: 363,972.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,931.06 : 627,601.86 = 263,833.70 : x
  2. Step 2: Convert to fraction form
    454,931.06/627,601.86 = 263,833.70/x
  3. Step 3: Cross multiply
    454,931.06x = 627,601.86 × 263,833.70
  4. Step 4: Simplify right side
    454,931.06x = 165,582,520,850.68
  5. Step 5: Solve for x
    x = 165,582,520,850.68/454,931.06
  6. Step 6: Final answer
    x = 363,972.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.