Home / 809,619.28-1,117,292.06-447,066.17

Finding the Fourth Proportional to 809,619.28, 1,117,292.06 and 447,066.17

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Solution

The fourth proportional to 809,619.28, 1,117,292.06 and 447,066.17 is: 616,960.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,619.28 : 1,117,292.06 = 447,066.17 : x
  2. Step 2: Convert to fraction form
    809,619.28/1,117,292.06 = 447,066.17/x
  3. Step 3: Cross multiply
    809,619.28x = 1,117,292.06 × 447,066.17
  4. Step 4: Simplify right side
    809,619.28x = 499,503,481,756.66
  5. Step 5: Solve for x
    x = 499,503,481,756.66/809,619.28
  6. Step 6: Final answer
    x = 616,960.95

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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.