Home / 1,384,398.33-1,910,469.77-764,203.66

Finding the Fourth Proportional to 1,384,398.33, 1,910,469.77 and 764,203.66

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Solution

The fourth proportional to 1,384,398.33, 1,910,469.77 and 764,203.66 is: 1,054,601.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,398.33 : 1,910,469.77 = 764,203.66 : x
  2. Step 2: Convert to fraction form
    1,384,398.33/1,910,469.77 = 764,203.66/x
  3. Step 3: Cross multiply
    1,384,398.33x = 1,910,469.77 × 764,203.66
  4. Step 4: Simplify right side
    1,384,398.33x = 1,459,987,990,553.36
  5. Step 5: Solve for x
    x = 1,459,987,990,553.36/1,384,398.33
  6. Step 6: Final answer
    x = 1,054,601.09

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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.