Home / 1,394,456.05-1,924,542.39-782,645.23

Finding the Fourth Proportional to 1,394,456.05, 1,924,542.39 and 782,645.23

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Solution

The fourth proportional to 1,394,456.05, 1,924,542.39 and 782,645.23 is: 1,080,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,456.05 : 1,924,542.39 = 782,645.23 : x
  2. Step 2: Convert to fraction form
    1,394,456.05/1,924,542.39 = 782,645.23/x
  3. Step 3: Cross multiply
    1,394,456.05x = 1,924,542.39 × 782,645.23
  4. Step 4: Simplify right side
    1,394,456.05x = 1,506,233,921,466.30
  5. Step 5: Solve for x
    x = 1,506,233,921,466.30/1,394,456.05
  6. Step 6: Final answer
    x = 1,080,158.76

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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.