Home / 681,913.11-1,022,832.81-208,598.52

Finding the Fourth Proportional to 681,913.11, 1,022,832.81 and 208,598.52

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Solution

The fourth proportional to 681,913.11, 1,022,832.81 and 208,598.52 is: 312,886.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,913.11 : 1,022,832.81 = 208,598.52 : x
  2. Step 2: Convert to fraction form
    681,913.11/1,022,832.81 = 208,598.52/x
  3. Step 3: Cross multiply
    681,913.11x = 1,022,832.81 × 208,598.52
  4. Step 4: Simplify right side
    681,913.11x = 213,361,410,373.44
  5. Step 5: Solve for x
    x = 213,361,410,373.44/681,913.11
  6. Step 6: Final answer
    x = 312,886.51

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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.