Home / 1,104.44-1,524.20-730.77

Finding the Fourth Proportional to 1,104.44, 1,524.20 and 730.77

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Solution

The fourth proportional to 1,104.44, 1,524.20 and 730.77 is: 1,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104.44 : 1,524.20 = 730.77 : x
  2. Step 2: Convert to fraction form
    1,104.44/1,524.20 = 730.77/x
  3. Step 3: Cross multiply
    1,104.44x = 1,524.20 × 730.77
  4. Step 4: Simplify right side
    1,104.44x = 1,113,835.98
  5. Step 5: Solve for x
    x = 1,113,835.98/1,104.44
  6. Step 6: Final answer
    x = 1,008.51

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1.5x scale

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.