Home / 752,659.65-1,039,532.36-495,685.33

Finding the Fourth Proportional to 752,659.65, 1,039,532.36 and 495,685.33

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Solution

The fourth proportional to 752,659.65, 1,039,532.36 and 495,685.33 is: 684,613.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,659.65 : 1,039,532.36 = 495,685.33 : x
  2. Step 2: Convert to fraction form
    752,659.65/1,039,532.36 = 495,685.33/x
  3. Step 3: Cross multiply
    752,659.65x = 1,039,532.36 × 495,685.33
  4. Step 4: Simplify right side
    752,659.65x = 515,280,940,912.28
  5. Step 5: Solve for x
    x = 515,280,940,912.28/752,659.65
  6. Step 6: Final answer
    x = 684,613.48

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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.