Home / 1,661,337-2,292,645.98-897,390.57

Finding the Fourth Proportional to 1,661,337, 2,292,645.98 and 897,390.57

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Solution

The fourth proportional to 1,661,337, 2,292,645.98 and 897,390.57 is: 1,238,399.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,337 : 2,292,645.98 = 897,390.57 : x
  2. Step 2: Convert to fraction form
    1,661,337/2,292,645.98 = 897,390.57/x
  3. Step 3: Cross multiply
    1,661,337x = 2,292,645.98 × 897,390.57
  4. Step 4: Simplify right side
    1,661,337x = 2,057,398,885,043.88
  5. Step 5: Solve for x
    x = 2,057,398,885,043.88/1,661,337
  6. Step 6: Final answer
    x = 1,238,399.48

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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.