Home / 1,384,387.11-1,910,454.62-764,192.66

Finding the Fourth Proportional to 1,384,387.11, 1,910,454.62 and 764,192.66

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Solution

The fourth proportional to 1,384,387.11, 1,910,454.62 and 764,192.66 is: 1,054,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,387.11 : 1,910,454.62 = 764,192.66 : x
  2. Step 2: Convert to fraction form
    1,384,387.11/1,910,454.62 = 764,192.66/x
  3. Step 3: Cross multiply
    1,384,387.11x = 1,910,454.62 × 764,192.66
  4. Step 4: Simplify right side
    1,384,387.11x = 1,459,955,384,493.85
  5. Step 5: Solve for x
    x = 1,459,955,384,493.85/1,384,387.11
  6. Step 6: Final answer
    x = 1,054,586.09

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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.