Home / 1,192.44-1,787.21-606.56

Finding the Fourth Proportional to 1,192.44, 1,787.21 and 606.56

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Solution

The fourth proportional to 1,192.44, 1,787.21 and 606.56 is: 909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192.44 : 1,787.21 = 606.56 : x
  2. Step 2: Convert to fraction form
    1,192.44/1,787.21 = 606.56/x
  3. Step 3: Cross multiply
    1,192.44x = 1,787.21 × 606.56
  4. Step 4: Simplify right side
    1,192.44x = 1,084,050.10
  5. Step 5: Solve for x
    x = 1,084,050.10/1,192.44
  6. Step 6: Final answer
    x = 909.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.