Home / 681,845.68-1,022,604.50-208,535.14

Finding the Fourth Proportional to 681,845.68, 1,022,604.50 and 208,535.14

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Solution

The fourth proportional to 681,845.68, 1,022,604.50 and 208,535.14 is: 312,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,845.68 : 1,022,604.50 = 208,535.14 : x
  2. Step 2: Convert to fraction form
    681,845.68/1,022,604.50 = 208,535.14/x
  3. Step 3: Cross multiply
    681,845.68x = 1,022,604.50 × 208,535.14
  4. Step 4: Simplify right side
    681,845.68x = 213,248,973,198.71
  5. Step 5: Solve for x
    x = 213,248,973,198.71/681,845.68
  6. Step 6: Final answer
    x = 312,752.55

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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.