Home / 1,327,521.86-1,831,949.76-811,273.73

Finding the Fourth Proportional to 1,327,521.86, 1,831,949.76 and 811,273.73

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Solution

The fourth proportional to 1,327,521.86, 1,831,949.76 and 811,273.73 is: 1,119,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,521.86 : 1,831,949.76 = 811,273.73 : x
  2. Step 2: Convert to fraction form
    1,327,521.86/1,831,949.76 = 811,273.73/x
  3. Step 3: Cross multiply
    1,327,521.86x = 1,831,949.76 × 811,273.73
  4. Step 4: Simplify right side
    1,327,521.86x = 1,486,212,708,850.33
  5. Step 5: Solve for x
    x = 1,486,212,708,850.33/1,327,521.86
  6. Step 6: Final answer
    x = 1,119,539.16

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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.