Home / 681,373.30-1,022,209.55-201,563.54

Finding the Fourth Proportional to 681,373.30, 1,022,209.55 and 201,563.54

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Solution

The fourth proportional to 681,373.30, 1,022,209.55 and 201,563.54 is: 302,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,373.30 : 1,022,209.55 = 201,563.54 : x
  2. Step 2: Convert to fraction form
    681,373.30/1,022,209.55 = 201,563.54/x
  3. Step 3: Cross multiply
    681,373.30x = 1,022,209.55 × 201,563.54
  4. Step 4: Simplify right side
    681,373.30x = 206,040,175,519.81
  5. Step 5: Solve for x
    x = 206,040,175,519.81/681,373.30
  6. Step 6: Final answer
    x = 302,389.56

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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.