Home / 689,324.24-1,033,849.44-655,146.29

Finding the Fourth Proportional to 689,324.24, 1,033,849.44 and 655,146.29

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Solution

The fourth proportional to 689,324.24, 1,033,849.44 and 655,146.29 is: 982,589.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,324.24 : 1,033,849.44 = 655,146.29 : x
  2. Step 2: Convert to fraction form
    689,324.24/1,033,849.44 = 655,146.29/x
  3. Step 3: Cross multiply
    689,324.24x = 1,033,849.44 × 655,146.29
  4. Step 4: Simplify right side
    689,324.24x = 677,322,619,865.33
  5. Step 5: Solve for x
    x = 677,322,619,865.33/689,324.24
  6. Step 6: Final answer
    x = 982,589.30

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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.