Home / 741,614.74-1,023,449.92-419,317.90

Finding the Fourth Proportional to 741,614.74, 1,023,449.92 and 419,317.90

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Solution

The fourth proportional to 741,614.74, 1,023,449.92 and 419,317.90 is: 578,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,614.74 : 1,023,449.92 = 419,317.90 : x
  2. Step 2: Convert to fraction form
    741,614.74/1,023,449.92 = 419,317.90/x
  3. Step 3: Cross multiply
    741,614.74x = 1,023,449.92 × 419,317.90
  4. Step 4: Simplify right side
    741,614.74x = 429,150,867,602.65
  5. Step 5: Solve for x
    x = 429,150,867,602.65/741,614.74
  6. Step 6: Final answer
    x = 578,670.90

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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.