Home / 1,394,659.25-1,924,524.24-782,693.78

Finding the Fourth Proportional to 1,394,659.25, 1,924,524.24 and 782,693.78

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Solution

The fourth proportional to 1,394,659.25, 1,924,524.24 and 782,693.78 is: 1,080,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,659.25 : 1,924,524.24 = 782,693.78 : x
  2. Step 2: Convert to fraction form
    1,394,659.25/1,924,524.24 = 782,693.78/x
  3. Step 3: Cross multiply
    1,394,659.25x = 1,924,524.24 × 782,693.78
  4. Step 4: Simplify right side
    1,394,659.25x = 1,506,313,154,961.80
  5. Step 5: Solve for x
    x = 1,506,313,154,961.80/1,394,659.25
  6. Step 6: Final answer
    x = 1,080,058.20

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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.