Home / 1,394,236.43-1,924,061.78-774,083.86

Finding the Fourth Proportional to 1,394,236.43, 1,924,061.78 and 774,083.86

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Solution

The fourth proportional to 1,394,236.43, 1,924,061.78 and 774,083.86 is: 1,068,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,236.43 : 1,924,061.78 = 774,083.86 : x
  2. Step 2: Convert to fraction form
    1,394,236.43/1,924,061.78 = 774,083.86/x
  3. Step 3: Cross multiply
    1,394,236.43x = 1,924,061.78 × 774,083.86
  4. Step 4: Simplify right side
    1,394,236.43x = 1,489,385,160,860.30
  5. Step 5: Solve for x
    x = 1,489,385,160,860.30/1,394,236.43
  6. Step 6: Final answer
    x = 1,068,244.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.