Home / 1,661,338.13-2,292,647.54-897,391.70

Finding the Fourth Proportional to 1,661,338.13, 2,292,647.54 and 897,391.70

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Solution

The fourth proportional to 1,661,338.13, 2,292,647.54 and 897,391.70 is: 1,238,401.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,338.13 : 2,292,647.54 = 897,391.70 : x
  2. Step 2: Convert to fraction form
    1,661,338.13/2,292,647.54 = 897,391.70/x
  3. Step 3: Cross multiply
    1,661,338.13x = 2,292,647.54 × 897,391.70
  4. Step 4: Simplify right side
    1,661,338.13x = 2,057,402,857,471.22
  5. Step 5: Solve for x
    x = 2,057,402,857,471.22/1,661,338.13
  6. Step 6: Final answer
    x = 1,238,401.04

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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.