Home / 1,326,589.22-1,989,865.31-756,754.22

Finding the Fourth Proportional to 1,326,589.22, 1,989,865.31 and 756,754.22

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Solution

The fourth proportional to 1,326,589.22, 1,989,865.31 and 756,754.22 is: 1,135,120.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,589.22 : 1,989,865.31 = 756,754.22 : x
  2. Step 2: Convert to fraction form
    1,326,589.22/1,989,865.31 = 756,754.22/x
  3. Step 3: Cross multiply
    1,326,589.22x = 1,989,865.31 × 756,754.22
  4. Step 4: Simplify right side
    1,326,589.22x = 1,505,838,971,765.00
  5. Step 5: Solve for x
    x = 1,505,838,971,765.00/1,326,589.22
  6. Step 6: Final answer
    x = 1,135,120.76

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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.