Home / 729,021.10-1,093,531.65-722,022.70

Finding the Fourth Proportional to 729,021.10, 1,093,531.65 and 722,022.70

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Solution

The fourth proportional to 729,021.10, 1,093,531.65 and 722,022.70 is: 1,083,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,021.10 : 1,093,531.65 = 722,022.70 : x
  2. Step 2: Convert to fraction form
    729,021.10/1,093,531.65 = 722,022.70/x
  3. Step 3: Cross multiply
    729,021.10x = 1,093,531.65 × 722,022.70
  4. Step 4: Simplify right side
    729,021.10x = 789,554,674,468.46
  5. Step 5: Solve for x
    x = 789,554,674,468.46/729,021.10
  6. Step 6: Final answer
    x = 1,083,034.05

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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.