Home / 1,202,910.57-1,659,991.19-659,019.87

Finding the Fourth Proportional to 1,202,910.57, 1,659,991.19 and 659,019.87

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Solution

The fourth proportional to 1,202,910.57, 1,659,991.19 and 659,019.87 is: 909,433.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,910.57 : 1,659,991.19 = 659,019.87 : x
  2. Step 2: Convert to fraction form
    1,202,910.57/1,659,991.19 = 659,019.87/x
  3. Step 3: Cross multiply
    1,202,910.57x = 1,659,991.19 × 659,019.87
  4. Step 4: Simplify right side
    1,202,910.57x = 1,093,967,174,939.85
  5. Step 5: Solve for x
    x = 1,093,967,174,939.85/1,202,910.57
  6. Step 6: Final answer
    x = 909,433.50

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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.