Home / 681,938.20-1,022,907.30-416,217.70

Finding the Fourth Proportional to 681,938.20, 1,022,907.30 and 416,217.70

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Solution

The fourth proportional to 681,938.20, 1,022,907.30 and 416,217.70 is: 624,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,938.20 : 1,022,907.30 = 416,217.70 : x
  2. Step 2: Convert to fraction form
    681,938.20/1,022,907.30 = 416,217.70/x
  3. Step 3: Cross multiply
    681,938.20x = 1,022,907.30 × 416,217.70
  4. Step 4: Simplify right side
    681,938.20x = 425,752,123,719.21
  5. Step 5: Solve for x
    x = 425,752,123,719.21/681,938.20
  6. Step 6: Final answer
    x = 624,326.55

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1.5x scale

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.