Home / 752,659.16-1,039,531.68-495,684.83

Finding the Fourth Proportional to 752,659.16, 1,039,531.68 and 495,684.83

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Solution

The fourth proportional to 752,659.16, 1,039,531.68 and 495,684.83 is: 684,612.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,659.16 : 1,039,531.68 = 495,684.83 : x
  2. Step 2: Convert to fraction form
    752,659.16/1,039,531.68 = 495,684.83/x
  3. Step 3: Cross multiply
    752,659.16x = 1,039,531.68 × 495,684.83
  4. Step 4: Simplify right side
    752,659.16x = 515,280,084,080.41
  5. Step 5: Solve for x
    x = 515,280,084,080.41/752,659.16
  6. Step 6: Final answer
    x = 684,612.79

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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.