Home / 1,263,796.11-1,743,915.24-719,889.21

Finding the Fourth Proportional to 1,263,796.11, 1,743,915.24 and 719,889.21

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Solution

The fourth proportional to 1,263,796.11, 1,743,915.24 and 719,889.21 is: 993,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,796.11 : 1,743,915.24 = 719,889.21 : x
  2. Step 2: Convert to fraction form
    1,263,796.11/1,743,915.24 = 719,889.21/x
  3. Step 3: Cross multiply
    1,263,796.11x = 1,743,915.24 × 719,889.21
  4. Step 4: Simplify right side
    1,263,796.11x = 1,255,425,764,430.56
  5. Step 5: Solve for x
    x = 1,255,425,764,430.56/1,263,796.11
  6. Step 6: Final answer
    x = 993,376.82

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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.