Home / 1,035,591-1,428,379.26-691,253.28

Finding the Fourth Proportional to 1,035,591, 1,428,379.26 and 691,253.28

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Solution

The fourth proportional to 1,035,591, 1,428,379.26 and 691,253.28 is: 953,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,591 : 1,428,379.26 = 691,253.28 : x
  2. Step 2: Convert to fraction form
    1,035,591/1,428,379.26 = 691,253.28/x
  3. Step 3: Cross multiply
    1,035,591x = 1,428,379.26 × 691,253.28
  4. Step 4: Simplify right side
    1,035,591x = 987,371,848,558.97
  5. Step 5: Solve for x
    x = 987,371,848,558.97/1,035,591
  6. Step 6: Final answer
    x = 953,438.04

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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.