Home / 681,845.96-1,022,604.92-208,535.42

Finding the Fourth Proportional to 681,845.96, 1,022,604.92 and 208,535.42

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Solution

The fourth proportional to 681,845.96, 1,022,604.92 and 208,535.42 is: 312,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,845.96 : 1,022,604.92 = 208,535.42 : x
  2. Step 2: Convert to fraction form
    681,845.96/1,022,604.92 = 208,535.42/x
  3. Step 3: Cross multiply
    681,845.96x = 1,022,604.92 × 208,535.42
  4. Step 4: Simplify right side
    681,845.96x = 213,249,348,782.11
  5. Step 5: Solve for x
    x = 213,249,348,782.11/681,845.96
  6. Step 6: Final answer
    x = 312,752.97

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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.