Home / 703,771.65-1,055,495.52-419,542.43

Finding the Fourth Proportional to 703,771.65, 1,055,495.52 and 419,542.43

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Solution

The fourth proportional to 703,771.65, 1,055,495.52 and 419,542.43 is: 629,217.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,771.65 : 1,055,495.52 = 419,542.43 : x
  2. Step 2: Convert to fraction form
    703,771.65/1,055,495.52 = 419,542.43/x
  3. Step 3: Cross multiply
    703,771.65x = 1,055,495.52 × 419,542.43
  4. Step 4: Simplify right side
    703,771.65x = 442,825,150,037.44
  5. Step 5: Solve for x
    x = 442,825,150,037.44/703,771.65
  6. Step 6: Final answer
    x = 629,217.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.