Home / 1,669,891.25-2,304,454.38-905,944.81

Finding the Fourth Proportional to 1,669,891.25, 2,304,454.38 and 905,944.81

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Solution

The fourth proportional to 1,669,891.25, 2,304,454.38 and 905,944.81 is: 1,250,206.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,891.25 : 2,304,454.38 = 905,944.81 : x
  2. Step 2: Convert to fraction form
    1,669,891.25/2,304,454.38 = 905,944.81/x
  3. Step 3: Cross multiply
    1,669,891.25x = 2,304,454.38 × 905,944.81
  4. Step 4: Simplify right side
    1,669,891.25x = 2,087,708,485,442.77
  5. Step 5: Solve for x
    x = 2,087,708,485,442.77/1,669,891.25
  6. Step 6: Final answer
    x = 1,250,206.25

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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.