Home / 681,383.84-1,022,275.31-201,623.76

Finding the Fourth Proportional to 681,383.84, 1,022,275.31 and 201,623.76

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Solution

The fourth proportional to 681,383.84, 1,022,275.31 and 201,623.76 is: 302,494.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,383.84 : 1,022,275.31 = 201,623.76 : x
  2. Step 2: Convert to fraction form
    681,383.84/1,022,275.31 = 201,623.76/x
  3. Step 3: Cross multiply
    681,383.84x = 1,022,275.31 × 201,623.76
  4. Step 4: Simplify right side
    681,383.84x = 206,114,990,749.25
  5. Step 5: Solve for x
    x = 206,114,990,749.25/681,383.84
  6. Step 6: Final answer
    x = 302,494.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.