Home / 1,487,067-2,230,596.12-422,109.96

Finding the Fourth Proportional to 1,487,067, 2,230,596.12 and 422,109.96

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Solution

The fourth proportional to 1,487,067, 2,230,596.12 and 422,109.96 is: 633,163.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,067 : 2,230,596.12 = 422,109.96 : x
  2. Step 2: Convert to fraction form
    1,487,067/2,230,596.12 = 422,109.96/x
  3. Step 3: Cross multiply
    1,487,067x = 2,230,596.12 × 422,109.96
  4. Step 4: Simplify right side
    1,487,067x = 941,556,838,989.36
  5. Step 5: Solve for x
    x = 941,556,838,989.36/1,487,067
  6. Step 6: Final answer
    x = 633,163.70

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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.