Home / 1,694,015.88-2,337,782.94-919,678.56

Finding the Fourth Proportional to 1,694,015.88, 2,337,782.94 and 919,678.56

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Solution

The fourth proportional to 1,694,015.88, 2,337,782.94 and 919,678.56 is: 1,269,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,015.88 : 2,337,782.94 = 919,678.56 : x
  2. Step 2: Convert to fraction form
    1,694,015.88/2,337,782.94 = 919,678.56/x
  3. Step 3: Cross multiply
    1,694,015.88x = 2,337,782.94 × 919,678.56
  4. Step 4: Simplify right side
    1,694,015.88x = 2,150,008,847,851.77
  5. Step 5: Solve for x
    x = 2,150,008,847,851.77/1,694,015.88
  6. Step 6: Final answer
    x = 1,269,178.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.