Home / 1,388,939.45-2,093,819.56-1,296,352.47

Finding the Fourth Proportional to 1,388,939.45, 2,093,819.56 and 1,296,352.47

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Solution

The fourth proportional to 1,388,939.45, 2,093,819.56 and 1,296,352.47 is: 1,954,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,939.45 : 2,093,819.56 = 1,296,352.47 : x
  2. Step 2: Convert to fraction form
    1,388,939.45/2,093,819.56 = 1,296,352.47/x
  3. Step 3: Cross multiply
    1,388,939.45x = 2,093,819.56 × 1,296,352.47
  4. Step 4: Simplify right side
    1,388,939.45x = 2,714,328,158,340.31
  5. Step 5: Solve for x
    x = 2,714,328,158,340.31/1,388,939.45
  6. Step 6: Final answer
    x = 1,954,245.13

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.