Home / 681,948.20-1,022,922.30-416,227.70

Finding the Fourth Proportional to 681,948.20, 1,022,922.30 and 416,227.70

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Solution

The fourth proportional to 681,948.20, 1,022,922.30 and 416,227.70 is: 624,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,948.20 : 1,022,922.30 = 416,227.70 : x
  2. Step 2: Convert to fraction form
    681,948.20/1,022,922.30 = 416,227.70/x
  3. Step 3: Cross multiply
    681,948.20x = 1,022,922.30 × 416,227.70
  4. Step 4: Simplify right side
    681,948.20x = 425,768,596,207.71
  5. Step 5: Solve for x
    x = 425,768,596,207.71/681,948.20
  6. Step 6: Final answer
    x = 624,341.55

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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.