Home / 1,171,690.92-1,616,832.90-681,751.08

Finding the Fourth Proportional to 1,171,690.92, 1,616,832.90 and 681,751.08

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Solution

The fourth proportional to 1,171,690.92, 1,616,832.90 and 681,751.08 is: 940,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,690.92 : 1,616,832.90 = 681,751.08 : x
  2. Step 2: Convert to fraction form
    1,171,690.92/1,616,832.90 = 681,751.08/x
  3. Step 3: Cross multiply
    1,171,690.92x = 1,616,832.90 × 681,751.08
  4. Step 4: Simplify right side
    1,171,690.92x = 1,102,277,575,754.53
  5. Step 5: Solve for x
    x = 1,102,277,575,754.53/1,171,690.92
  6. Step 6: Final answer
    x = 940,757.97

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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.