Home / 663,081.41-993,785.78-283,553.48

Finding the Fourth Proportional to 663,081.41, 993,785.78 and 283,553.48

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Solution

The fourth proportional to 663,081.41, 993,785.78 and 283,553.48 is: 424,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,081.41 : 993,785.78 = 283,553.48 : x
  2. Step 2: Convert to fraction form
    663,081.41/993,785.78 = 283,553.48/x
  3. Step 3: Cross multiply
    663,081.41x = 993,785.78 × 283,553.48
  4. Step 4: Simplify right side
    663,081.41x = 281,791,419,486.86
  5. Step 5: Solve for x
    x = 281,791,419,486.86/663,081.41
  6. Step 6: Final answer
    x = 424,972.58

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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.