Home / 681,846.99-1,022,606.46-208,536.45

Finding the Fourth Proportional to 681,846.99, 1,022,606.46 and 208,536.45

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Solution

The fourth proportional to 681,846.99, 1,022,606.46 and 208,536.45 is: 312,754.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,846.99 : 1,022,606.46 = 208,536.45 : x
  2. Step 2: Convert to fraction form
    681,846.99/1,022,606.46 = 208,536.45/x
  3. Step 3: Cross multiply
    681,846.99x = 1,022,606.46 × 208,536.45
  4. Step 4: Simplify right side
    681,846.99x = 213,250,720,915.47
  5. Step 5: Solve for x
    x = 213,250,720,915.47/681,846.99
  6. Step 6: Final answer
    x = 312,754.51

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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.