Home / 1,605,257.66-2,215,277.16-880,103.63

Finding the Fourth Proportional to 1,605,257.66, 2,215,277.16 and 880,103.63

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Solution

The fourth proportional to 1,605,257.66, 2,215,277.16 and 880,103.63 is: 1,214,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,257.66 : 2,215,277.16 = 880,103.63 : x
  2. Step 2: Convert to fraction form
    1,605,257.66/2,215,277.16 = 880,103.63/x
  3. Step 3: Cross multiply
    1,605,257.66x = 2,215,277.16 × 880,103.63
  4. Step 4: Simplify right side
    1,605,257.66x = 1,949,673,469,972.09
  5. Step 5: Solve for x
    x = 1,949,673,469,972.09/1,605,257.66
  6. Step 6: Final answer
    x = 1,214,554.85

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1.5x scale

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.