Home / 809,620.28-1,117,293.44-447,067.17

Finding the Fourth Proportional to 809,620.28, 1,117,293.44 and 447,067.17

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Solution

The fourth proportional to 809,620.28, 1,117,293.44 and 447,067.17 is: 616,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,620.28 : 1,117,293.44 = 447,067.17 : x
  2. Step 2: Convert to fraction form
    809,620.28/1,117,293.44 = 447,067.17/x
  3. Step 3: Cross multiply
    809,620.28x = 1,117,293.44 × 447,067.17
  4. Step 4: Simplify right side
    809,620.28x = 499,505,216,280.37
  5. Step 5: Solve for x
    x = 499,505,216,280.37/809,620.28
  6. Step 6: Final answer
    x = 616,962.33

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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.