Home / 1,414,067.36-2,121,105.42-349,109.54

Finding the Fourth Proportional to 1,414,067.36, 2,121,105.42 and 349,109.54

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Solution

The fourth proportional to 1,414,067.36, 2,121,105.42 and 349,109.54 is: 523,665.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,067.36 : 2,121,105.42 = 349,109.54 : x
  2. Step 2: Convert to fraction form
    1,414,067.36/2,121,105.42 = 349,109.54/x
  3. Step 3: Cross multiply
    1,414,067.36x = 2,121,105.42 × 349,109.54
  4. Step 4: Simplify right side
    1,414,067.36x = 740,498,137,467.71
  5. Step 5: Solve for x
    x = 740,498,137,467.71/1,414,067.36
  6. Step 6: Final answer
    x = 523,665.39

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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.