Home / 1,058,991.94-1,587,556.26-419,744.38

Finding the Fourth Proportional to 1,058,991.94, 1,587,556.26 and 419,744.38

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Solution

The fourth proportional to 1,058,991.94, 1,587,556.26 and 419,744.38 is: 629,247.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,991.94 : 1,587,556.26 = 419,744.38 : x
  2. Step 2: Convert to fraction form
    1,058,991.94/1,587,556.26 = 419,744.38/x
  3. Step 3: Cross multiply
    1,058,991.94x = 1,587,556.26 × 419,744.38
  4. Step 4: Simplify right side
    1,058,991.94x = 666,367,823,087.07
  5. Step 5: Solve for x
    x = 666,367,823,087.07/1,058,991.94
  6. Step 6: Final answer
    x = 629,247.30

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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.