Home / 1,396,227.56-1,926,657.96-784,241.72

Finding the Fourth Proportional to 1,396,227.56, 1,926,657.96 and 784,241.72

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Solution

The fourth proportional to 1,396,227.56, 1,926,657.96 and 784,241.72 is: 1,082,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,227.56 : 1,926,657.96 = 784,241.72 : x
  2. Step 2: Convert to fraction form
    1,396,227.56/1,926,657.96 = 784,241.72/x
  3. Step 3: Cross multiply
    1,396,227.56x = 1,926,657.96 × 784,241.72
  4. Step 4: Simplify right side
    1,396,227.56x = 1,510,965,552,402.09
  5. Step 5: Solve for x
    x = 1,510,965,552,402.09/1,396,227.56
  6. Step 6: Final answer
    x = 1,082,177.14

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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.