Home / 1,293,161.82-1,939,742.88-394,608.27

Finding the Fourth Proportional to 1,293,161.82, 1,939,742.88 and 394,608.27

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Solution

The fourth proportional to 1,293,161.82, 1,939,742.88 and 394,608.27 is: 591,912.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,161.82 : 1,939,742.88 = 394,608.27 : x
  2. Step 2: Convert to fraction form
    1,293,161.82/1,939,742.88 = 394,608.27/x
  3. Step 3: Cross multiply
    1,293,161.82x = 1,939,742.88 × 394,608.27
  4. Step 4: Simplify right side
    1,293,161.82x = 765,438,582,121.62
  5. Step 5: Solve for x
    x = 765,438,582,121.62/1,293,161.82
  6. Step 6: Final answer
    x = 591,912.45

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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.