Home / 752,673.88-1,039,552.04-495,699.60

Finding the Fourth Proportional to 752,673.88, 1,039,552.04 and 495,699.60

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Solution

The fourth proportional to 752,673.88, 1,039,552.04 and 495,699.60 is: 684,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,673.88 : 1,039,552.04 = 495,699.60 : x
  2. Step 2: Convert to fraction form
    752,673.88/1,039,552.04 = 495,699.60/x
  3. Step 3: Cross multiply
    752,673.88x = 1,039,552.04 × 495,699.60
  4. Step 4: Simplify right side
    752,673.88x = 515,305,530,407.18
  5. Step 5: Solve for x
    x = 515,305,530,407.18/752,673.88
  6. Step 6: Final answer
    x = 684,633.20

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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.