Home / 854,842.23-1,185,076.98-809,338.05

Finding the Fourth Proportional to 854,842.23, 1,185,076.98 and 809,338.05

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Solution

The fourth proportional to 854,842.23, 1,185,076.98 and 809,338.05 is: 1,121,994.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,842.23 : 1,185,076.98 = 809,338.05 : x
  2. Step 2: Convert to fraction form
    854,842.23/1,185,076.98 = 809,338.05/x
  3. Step 3: Cross multiply
    854,842.23x = 1,185,076.98 × 809,338.05
  4. Step 4: Simplify right side
    854,842.23x = 959,127,892,093.09
  5. Step 5: Solve for x
    x = 959,127,892,093.09/854,842.23
  6. Step 6: Final answer
    x = 1,121,994.05

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.