Home / 681,923.48-1,022,848.14-208,608.84

Finding the Fourth Proportional to 681,923.48, 1,022,848.14 and 208,608.84

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Solution

The fourth proportional to 681,923.48, 1,022,848.14 and 208,608.84 is: 312,901.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,923.48 : 1,022,848.14 = 208,608.84 : x
  2. Step 2: Convert to fraction form
    681,923.48/1,022,848.14 = 208,608.84/x
  3. Step 3: Cross multiply
    681,923.48x = 1,022,848.14 × 208,608.84
  4. Step 4: Simplify right side
    681,923.48x = 213,375,158,867.32
  5. Step 5: Solve for x
    x = 213,375,158,867.32/681,923.48
  6. Step 6: Final answer
    x = 312,901.91

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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.