Home / 1,293,214.43-1,939,821.66-394,660.77

Finding the Fourth Proportional to 1,293,214.43, 1,939,821.66 and 394,660.77

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Solution

The fourth proportional to 1,293,214.43, 1,939,821.66 and 394,660.77 is: 591,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,214.43 : 1,939,821.66 = 394,660.77 : x
  2. Step 2: Convert to fraction form
    1,293,214.43/1,939,821.66 = 394,660.77/x
  3. Step 3: Cross multiply
    1,293,214.43x = 1,939,821.66 × 394,660.77
  4. Step 4: Simplify right side
    1,293,214.43x = 765,571,509,998.28
  5. Step 5: Solve for x
    x = 765,571,509,998.28/1,293,214.43
  6. Step 6: Final answer
    x = 591,991.16

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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.