Home / 1,388,940.74-2,093,821.49-1,296,353.75

Finding the Fourth Proportional to 1,388,940.74, 2,093,821.49 and 1,296,353.75

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Solution

The fourth proportional to 1,388,940.74, 2,093,821.49 and 1,296,353.75 is: 1,954,247.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,940.74 : 2,093,821.49 = 1,296,353.75 : x
  2. Step 2: Convert to fraction form
    1,388,940.74/2,093,821.49 = 1,296,353.75/x
  3. Step 3: Cross multiply
    1,388,940.74x = 2,093,821.49 × 1,296,353.75
  4. Step 4: Simplify right side
    1,388,940.74x = 2,714,333,323,441.21
  5. Step 5: Solve for x
    x = 2,714,333,323,441.21/1,388,940.74
  6. Step 6: Final answer
    x = 1,954,247.04

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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.