Home / 681,844.74-1,022,807.43-208,562.82

Finding the Fourth Proportional to 681,844.74, 1,022,807.43 and 208,562.82

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Solution

The fourth proportional to 681,844.74, 1,022,807.43 and 208,562.82 is: 312,856.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,844.74 : 1,022,807.43 = 208,562.82 : x
  2. Step 2: Convert to fraction form
    681,844.74/1,022,807.43 = 208,562.82/x
  3. Step 3: Cross multiply
    681,844.74x = 1,022,807.43 × 208,562.82
  4. Step 4: Simplify right side
    681,844.74x = 213,319,601,917.75
  5. Step 5: Solve for x
    x = 213,319,601,917.75/681,844.74
  6. Step 6: Final answer
    x = 312,856.56

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1.5x scale

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.