Home / 681,373.80-1,022,210.30-201,564.04

Finding the Fourth Proportional to 681,373.80, 1,022,210.30 and 201,564.04

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Solution

The fourth proportional to 681,373.80, 1,022,210.30 and 201,564.04 is: 302,390.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,373.80 : 1,022,210.30 = 201,564.04 : x
  2. Step 2: Convert to fraction form
    681,373.80/1,022,210.30 = 201,564.04/x
  3. Step 3: Cross multiply
    681,373.80x = 1,022,210.30 × 201,564.04
  4. Step 4: Simplify right side
    681,373.80x = 206,040,837,797.61
  5. Step 5: Solve for x
    x = 206,040,837,797.61/681,373.80
  6. Step 6: Final answer
    x = 302,390.31

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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.