Home / 1,665,940.70-2,498,911.05-403,768.33

Finding the Fourth Proportional to 1,665,940.70, 2,498,911.05 and 403,768.33

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Solution

The fourth proportional to 1,665,940.70, 2,498,911.05 and 403,768.33 is: 605,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,940.70 : 2,498,911.05 = 403,768.33 : x
  2. Step 2: Convert to fraction form
    1,665,940.70/2,498,911.05 = 403,768.33/x
  3. Step 3: Cross multiply
    1,665,940.70x = 2,498,911.05 × 403,768.33
  4. Step 4: Simplify right side
    1,665,940.70x = 1,008,981,135,229.77
  5. Step 5: Solve for x
    x = 1,008,981,135,229.77/1,665,940.70
  6. Step 6: Final answer
    x = 605,652.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.