Home / 1,176.22-1,622.90-733.96

Finding the Fourth Proportional to 1,176.22, 1,622.90 and 733.96

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Solution

The fourth proportional to 1,176.22, 1,622.90 and 733.96 is: 1,012.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.22 : 1,622.90 = 733.96 : x
  2. Step 2: Convert to fraction form
    1,176.22/1,622.90 = 733.96/x
  3. Step 3: Cross multiply
    1,176.22x = 1,622.90 × 733.96
  4. Step 4: Simplify right side
    1,176.22x = 1,191,131.90
  5. Step 5: Solve for x
    x = 1,191,131.90/1,176.22
  6. Step 6: Final answer
    x = 1,012.68

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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.