Home / 859,121.19-1,185,517.69-496,568.43

Finding the Fourth Proportional to 859,121.19, 1,185,517.69 and 496,568.43

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Solution

The fourth proportional to 859,121.19, 1,185,517.69 and 496,568.43 is: 685,224.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,121.19 : 1,185,517.69 = 496,568.43 : x
  2. Step 2: Convert to fraction form
    859,121.19/1,185,517.69 = 496,568.43/x
  3. Step 3: Cross multiply
    859,121.19x = 1,185,517.69 × 496,568.43
  4. Step 4: Simplify right side
    859,121.19x = 588,690,656,819.11
  5. Step 5: Solve for x
    x = 588,690,656,819.11/859,121.19
  6. Step 6: Final answer
    x = 685,224.23

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Double scale
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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.