Home / 1,306,664.36-1,959,581.82-419,993

Finding the Fourth Proportional to 1,306,664.36, 1,959,581.82 and 419,993

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Solution

The fourth proportional to 1,306,664.36, 1,959,581.82 and 419,993 is: 629,856.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,664.36 : 1,959,581.82 = 419,993 : x
  2. Step 2: Convert to fraction form
    1,306,664.36/1,959,581.82 = 419,993/x
  3. Step 3: Cross multiply
    1,306,664.36x = 1,959,581.82 × 419,993
  4. Step 4: Simplify right side
    1,306,664.36x = 823,010,647,327.26
  5. Step 5: Solve for x
    x = 823,010,647,327.26/1,306,664.36
  6. Step 6: Final answer
    x = 629,856.20

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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.