Home / 1,384,370.19-1,910,431.24-764,175.73

Finding the Fourth Proportional to 1,384,370.19, 1,910,431.24 and 764,175.73

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Solution

The fourth proportional to 1,384,370.19, 1,910,431.24 and 764,175.73 is: 1,054,562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,370.19 : 1,910,431.24 = 764,175.73 : x
  2. Step 2: Convert to fraction form
    1,384,370.19/1,910,431.24 = 764,175.73/x
  3. Step 3: Cross multiply
    1,384,370.19x = 1,910,431.24 × 764,175.73
  4. Step 4: Simplify right side
    1,384,370.19x = 1,459,905,183,620.93
  5. Step 5: Solve for x
    x = 1,459,905,183,620.93/1,384,370.19
  6. Step 6: Final answer
    x = 1,054,562.71

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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.