Home / 1,493,067.12-2,238,941.88-427,867.44

Finding the Fourth Proportional to 1,493,067.12, 2,238,941.88 and 427,867.44

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Solution

The fourth proportional to 1,493,067.12, 2,238,941.88 and 427,867.44 is: 641,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,067.12 : 2,238,941.88 = 427,867.44 : x
  2. Step 2: Convert to fraction form
    1,493,067.12/2,238,941.88 = 427,867.44/x
  3. Step 3: Cross multiply
    1,493,067.12x = 2,238,941.88 × 427,867.44
  4. Step 4: Simplify right side
    1,493,067.12x = 957,970,330,504.39
  5. Step 5: Solve for x
    x = 957,970,330,504.39/1,493,067.12
  6. Step 6: Final answer
    x = 641,612.37

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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.