Home / 1,116.12-1,673.64-466.68

Finding the Fourth Proportional to 1,116.12, 1,673.64 and 466.68

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Solution

The fourth proportional to 1,116.12, 1,673.64 and 466.68 is: 699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116.12 : 1,673.64 = 466.68 : x
  2. Step 2: Convert to fraction form
    1,116.12/1,673.64 = 466.68/x
  3. Step 3: Cross multiply
    1,116.12x = 1,673.64 × 466.68
  4. Step 4: Simplify right side
    1,116.12x = 781,054.32
  5. Step 5: Solve for x
    x = 781,054.32/1,116.12
  6. Step 6: Final answer
    x = 699.79

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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.