Home / 1,669,890.47-2,304,453.29-905,944.03

Finding the Fourth Proportional to 1,669,890.47, 2,304,453.29 and 905,944.03

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Solution

The fourth proportional to 1,669,890.47, 2,304,453.29 and 905,944.03 is: 1,250,205.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,890.47 : 2,304,453.29 = 905,944.03 : x
  2. Step 2: Convert to fraction form
    1,669,890.47/2,304,453.29 = 905,944.03/x
  3. Step 3: Cross multiply
    1,669,890.47x = 2,304,453.29 × 905,944.03
  4. Step 4: Simplify right side
    1,669,890.47x = 2,087,705,690,198.51
  5. Step 5: Solve for x
    x = 2,087,705,690,198.51/1,669,890.47
  6. Step 6: Final answer
    x = 1,250,205.17

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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.