Home / 752,672.80-1,039,550.50-495,698.46

Finding the Fourth Proportional to 752,672.80, 1,039,550.50 and 495,698.46

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Solution

The fourth proportional to 752,672.80, 1,039,550.50 and 495,698.46 is: 684,631.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,672.80 : 1,039,550.50 = 495,698.46 : x
  2. Step 2: Convert to fraction form
    752,672.80/1,039,550.50 = 495,698.46/x
  3. Step 3: Cross multiply
    752,672.80x = 1,039,550.50 × 495,698.46
  4. Step 4: Simplify right side
    752,672.80x = 515,303,581,942.23
  5. Step 5: Solve for x
    x = 515,303,581,942.23/752,672.80
  6. Step 6: Final answer
    x = 684,631.60

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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.