Home / 2,209,662.78-3,314,634.26-693,405.56

Finding the Fourth Proportional to 2,209,662.78, 3,314,634.26 and 693,405.56

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Solution

The fourth proportional to 2,209,662.78, 3,314,634.26 and 693,405.56 is: 1,040,152.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,662.78 : 3,314,634.26 = 693,405.56 : x
  2. Step 2: Convert to fraction form
    2,209,662.78/3,314,634.26 = 693,405.56/x
  3. Step 3: Cross multiply
    2,209,662.78x = 3,314,634.26 × 693,405.56
  4. Step 4: Simplify right side
    2,209,662.78x = 2,298,385,809,110.69
  5. Step 5: Solve for x
    x = 2,298,385,809,110.69/2,209,662.78
  6. Step 6: Final answer
    x = 1,040,152.29

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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.