Home / 1,263,974.89-1,744,291.52-691,015.09

Finding the Fourth Proportional to 1,263,974.89, 1,744,291.52 and 691,015.09

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Solution

The fourth proportional to 1,263,974.89, 1,744,291.52 and 691,015.09 is: 953,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,974.89 : 1,744,291.52 = 691,015.09 : x
  2. Step 2: Convert to fraction form
    1,263,974.89/1,744,291.52 = 691,015.09/x
  3. Step 3: Cross multiply
    1,263,974.89x = 1,744,291.52 × 691,015.09
  4. Step 4: Simplify right side
    1,263,974.89x = 1,205,331,761,679.04
  5. Step 5: Solve for x
    x = 1,205,331,761,679.04/1,263,974.89
  6. Step 6: Final answer
    x = 953,604.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.