Home / 1,665,917.83-2,498,876.75-403,745.45

Finding the Fourth Proportional to 1,665,917.83, 2,498,876.75 and 403,745.45

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Solution

The fourth proportional to 1,665,917.83, 2,498,876.75 and 403,745.45 is: 605,618.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,917.83 : 2,498,876.75 = 403,745.45 : x
  2. Step 2: Convert to fraction form
    1,665,917.83/2,498,876.75 = 403,745.45/x
  3. Step 3: Cross multiply
    1,665,917.83x = 2,498,876.75 × 403,745.45
  4. Step 4: Simplify right side
    1,665,917.83x = 1,008,910,115,904.56
  5. Step 5: Solve for x
    x = 1,008,910,115,904.56/1,665,917.83
  6. Step 6: Final answer
    x = 605,618.18

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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.