Home / 1,669,876.64-2,304,430.60-905,930

Finding the Fourth Proportional to 1,669,876.64, 2,304,430.60 and 905,930

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Solution

The fourth proportional to 1,669,876.64, 2,304,430.60 and 905,930 is: 1,250,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,876.64 : 2,304,430.60 = 905,930 : x
  2. Step 2: Convert to fraction form
    1,669,876.64/2,304,430.60 = 905,930/x
  3. Step 3: Cross multiply
    1,669,876.64x = 2,304,430.60 × 905,930
  4. Step 4: Simplify right side
    1,669,876.64x = 2,087,652,813,458
  5. Step 5: Solve for x
    x = 2,087,652,813,458/1,669,876.64
  6. Step 6: Final answer
    x = 1,250,183.85

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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.