Home / 681,903.20-1,022,854.80-416,182.70

Finding the Fourth Proportional to 681,903.20, 1,022,854.80 and 416,182.70

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Solution

The fourth proportional to 681,903.20, 1,022,854.80 and 416,182.70 is: 624,274.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,903.20 : 1,022,854.80 = 416,182.70 : x
  2. Step 2: Convert to fraction form
    681,903.20/1,022,854.80 = 416,182.70/x
  3. Step 3: Cross multiply
    681,903.20x = 1,022,854.80 × 416,182.70
  4. Step 4: Simplify right side
    681,903.20x = 425,694,472,371.96
  5. Step 5: Solve for x
    x = 425,694,472,371.96/681,903.20
  6. Step 6: Final answer
    x = 624,274.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.