Home / 741,971.25-1,023,920.46-419,674.41

Finding the Fourth Proportional to 741,971.25, 1,023,920.46 and 419,674.41

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Solution

The fourth proportional to 741,971.25, 1,023,920.46 and 419,674.41 is: 579,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,971.25 : 1,023,920.46 = 419,674.41 : x
  2. Step 2: Convert to fraction form
    741,971.25/1,023,920.46 = 419,674.41/x
  3. Step 3: Cross multiply
    741,971.25x = 1,023,920.46 × 419,674.41
  4. Step 4: Simplify right side
    741,971.25x = 429,713,214,937.43
  5. Step 5: Solve for x
    x = 429,713,214,937.43/741,971.25
  6. Step 6: Final answer
    x = 579,150.76

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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.