Home / 1,661,338.38-2,292,647.88-897,391.94

Finding the Fourth Proportional to 1,661,338.38, 2,292,647.88 and 897,391.94

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Solution

The fourth proportional to 1,661,338.38, 2,292,647.88 and 897,391.94 is: 1,238,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,338.38 : 2,292,647.88 = 897,391.94 : x
  2. Step 2: Convert to fraction form
    1,661,338.38/2,292,647.88 = 897,391.94/x
  3. Step 3: Cross multiply
    1,661,338.38x = 2,292,647.88 × 897,391.94
  4. Step 4: Simplify right side
    1,661,338.38x = 2,057,403,728,770.09
  5. Step 5: Solve for x
    x = 2,057,403,728,770.09/1,661,338.38
  6. Step 6: Final answer
    x = 1,238,401.37

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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.