Home / 1,906,249.36-2,859,927.44-768,424.36

Finding the Fourth Proportional to 1,906,249.36, 2,859,927.44 and 768,424.36

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Solution

The fourth proportional to 1,906,249.36, 2,859,927.44 and 768,424.36 is: 1,152,859.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,906,249.36 : 2,859,927.44 = 768,424.36 : x
  2. Step 2: Convert to fraction form
    1,906,249.36/2,859,927.44 = 768,424.36/x
  3. Step 3: Cross multiply
    1,906,249.36x = 2,859,927.44 × 768,424.36
  4. Step 4: Simplify right side
    1,906,249.36x = 2,197,637,912,728.44
  5. Step 5: Solve for x
    x = 2,197,637,912,728.44/1,906,249.36
  6. Step 6: Final answer
    x = 1,152,859.62

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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.