Home / 794,776.92-1,096,820.94-455,310.78

Finding the Fourth Proportional to 794,776.92, 1,096,820.94 and 455,310.78

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Solution

The fourth proportional to 794,776.92, 1,096,820.94 and 455,310.78 is: 628,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,776.92 : 1,096,820.94 = 455,310.78 : x
  2. Step 2: Convert to fraction form
    794,776.92/1,096,820.94 = 455,310.78/x
  3. Step 3: Cross multiply
    794,776.92x = 1,096,820.94 × 455,310.78
  4. Step 4: Simplify right side
    794,776.92x = 499,394,397,711.73
  5. Step 5: Solve for x
    x = 499,394,397,711.73/794,776.92
  6. Step 6: Final answer
    x = 628,345.37

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1.5x scale

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.