Home / 1,067,540.10-1,601,310.15-1,021,467.30

Finding the Fourth Proportional to 1,067,540.10, 1,601,310.15 and 1,021,467.30

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Solution

The fourth proportional to 1,067,540.10, 1,601,310.15 and 1,021,467.30 is: 1,532,200.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,540.10 : 1,601,310.15 = 1,021,467.30 : x
  2. Step 2: Convert to fraction form
    1,067,540.10/1,601,310.15 = 1,021,467.30/x
  3. Step 3: Cross multiply
    1,067,540.10x = 1,601,310.15 × 1,021,467.30
  4. Step 4: Simplify right side
    1,067,540.10x = 1,635,685,955,383.10
  5. Step 5: Solve for x
    x = 1,635,685,955,383.10/1,067,540.10
  6. Step 6: Final answer
    x = 1,532,200.95

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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.