Home / 1,641,922.62-2,265,993.27-916,910.40

Finding the Fourth Proportional to 1,641,922.62, 2,265,993.27 and 916,910.40

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Solution

The fourth proportional to 1,641,922.62, 2,265,993.27 and 916,910.40 is: 1,265,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,922.62 : 2,265,993.27 = 916,910.40 : x
  2. Step 2: Convert to fraction form
    1,641,922.62/2,265,993.27 = 916,910.40/x
  3. Step 3: Cross multiply
    1,641,922.62x = 2,265,993.27 × 916,910.40
  4. Step 4: Simplify right side
    1,641,922.62x = 2,077,712,795,593.01
  5. Step 5: Solve for x
    x = 2,077,712,795,593.01/1,641,922.62
  6. Step 6: Final answer
    x = 1,265,414.56

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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.