Home / 1,110.12-1,665.96-562.68

Finding the Fourth Proportional to 1,110.12, 1,665.96 and 562.68

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Solution

The fourth proportional to 1,110.12, 1,665.96 and 562.68 is: 844.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.12 : 1,665.96 = 562.68 : x
  2. Step 2: Convert to fraction form
    1,110.12/1,665.96 = 562.68/x
  3. Step 3: Cross multiply
    1,110.12x = 1,665.96 × 562.68
  4. Step 4: Simplify right side
    1,110.12x = 937,402.37
  5. Step 5: Solve for x
    x = 937,402.37/1,110.12
  6. Step 6: Final answer
    x = 844.42

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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.