Home / 1,327,563.90-1,831,565.79-783,427.41

Finding the Fourth Proportional to 1,327,563.90, 1,831,565.79 and 783,427.41

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Solution

The fourth proportional to 1,327,563.90, 1,831,565.79 and 783,427.41 is: 1,080,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,563.90 : 1,831,565.79 = 783,427.41 : x
  2. Step 2: Convert to fraction form
    1,327,563.90/1,831,565.79 = 783,427.41/x
  3. Step 3: Cross multiply
    1,327,563.90x = 1,831,565.79 × 783,427.41
  4. Step 4: Simplify right side
    1,327,563.90x = 1,434,898,843,104.30
  5. Step 5: Solve for x
    x = 1,434,898,843,104.30/1,327,563.90
  6. Step 6: Final answer
    x = 1,080,851.06

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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.