Home / 1,327,401-1,831,813.38-723,790.44

Finding the Fourth Proportional to 1,327,401, 1,831,813.38 and 723,790.44

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Solution

The fourth proportional to 1,327,401, 1,831,813.38 and 723,790.44 is: 998,830.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,401 : 1,831,813.38 = 723,790.44 : x
  2. Step 2: Convert to fraction form
    1,327,401/1,831,813.38 = 723,790.44/x
  3. Step 3: Cross multiply
    1,327,401x = 1,831,813.38 × 723,790.44
  4. Step 4: Simplify right side
    1,327,401x = 1,325,849,012,308.09
  5. Step 5: Solve for x
    x = 1,325,849,012,308.09/1,327,401
  6. Step 6: Final answer
    x = 998,830.81

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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.