Home / 769,832.58-1,062,346.92-425,662.56

Finding the Fourth Proportional to 769,832.58, 1,062,346.92 and 425,662.56

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Solution

The fourth proportional to 769,832.58, 1,062,346.92 and 425,662.56 is: 587,402.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,832.58 : 1,062,346.92 = 425,662.56 : x
  2. Step 2: Convert to fraction form
    769,832.58/1,062,346.92 = 425,662.56/x
  3. Step 3: Cross multiply
    769,832.58x = 1,062,346.92 × 425,662.56
  4. Step 4: Simplify right side
    769,832.58x = 452,201,309,575.32
  5. Step 5: Solve for x
    x = 452,201,309,575.32/769,832.58
  6. Step 6: Final answer
    x = 587,402.15

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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.