Home / 809,377.85-1,117,076.51-773,504.57

Finding the Fourth Proportional to 809,377.85, 1,117,076.51 and 773,504.57

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Solution

The fourth proportional to 809,377.85, 1,117,076.51 and 773,504.57 is: 1,067,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,377.85 : 1,117,076.51 = 773,504.57 : x
  2. Step 2: Convert to fraction form
    809,377.85/1,117,076.51 = 773,504.57/x
  3. Step 3: Cross multiply
    809,377.85x = 1,117,076.51 × 773,504.57
  4. Step 4: Simplify right side
    809,377.85x = 864,063,790,251.10
  5. Step 5: Solve for x
    x = 864,063,790,251.10/809,377.85
  6. Step 6: Final answer
    x = 1,067,565.40

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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.