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Finding the Fourth Proportional to 1,327,447.44, 1,831,878.72 and 723,835.44

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Solution

The fourth proportional to 1,327,447.44, 1,831,878.72 and 723,835.44 is: 998,893.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,447.44 : 1,831,878.72 = 723,835.44 : x
  2. Step 2: Convert to fraction form
    1,327,447.44/1,831,878.72 = 723,835.44/x
  3. Step 3: Cross multiply
    1,327,447.44x = 1,831,878.72 × 723,835.44
  4. Step 4: Simplify right side
    1,327,447.44x = 1,325,978,739,317.84
  5. Step 5: Solve for x
    x = 1,325,978,739,317.84/1,327,447.44
  6. Step 6: Final answer
    x = 998,893.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.