Home / 1,203,830.38-1,661,249.93-659,947.57

Finding the Fourth Proportional to 1,203,830.38, 1,661,249.93 and 659,947.57

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Solution

The fourth proportional to 1,203,830.38, 1,661,249.93 and 659,947.57 is: 910,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,830.38 : 1,661,249.93 = 659,947.57 : x
  2. Step 2: Convert to fraction form
    1,203,830.38/1,661,249.93 = 659,947.57/x
  3. Step 3: Cross multiply
    1,203,830.38x = 1,661,249.93 × 659,947.57
  4. Step 4: Simplify right side
    1,203,830.38x = 1,096,337,851,166.43
  5. Step 5: Solve for x
    x = 1,096,337,851,166.43/1,203,830.38
  6. Step 6: Final answer
    x = 910,707.91

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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.