Home / 1,419,057.36-2,127,455.82-819,338.22

Finding the Fourth Proportional to 1,419,057.36, 2,127,455.82 and 819,338.22

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Solution

The fourth proportional to 1,419,057.36, 2,127,455.82 and 819,338.22 is: 1,228,354.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,057.36 : 2,127,455.82 = 819,338.22 : x
  2. Step 2: Convert to fraction form
    1,419,057.36/2,127,455.82 = 819,338.22/x
  3. Step 3: Cross multiply
    1,419,057.36x = 2,127,455.82 × 819,338.22
  4. Step 4: Simplify right side
    1,419,057.36x = 1,743,105,864,687.44
  5. Step 5: Solve for x
    x = 1,743,105,864,687.44/1,419,057.36
  6. Step 6: Final answer
    x = 1,228,354.76

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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.