Home / 1,115.32-1,673.34-466.12

Finding the Fourth Proportional to 1,115.32, 1,673.34 and 466.12

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Solution

The fourth proportional to 1,115.32, 1,673.34 and 466.12 is: 699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115.32 : 1,673.34 = 466.12 : x
  2. Step 2: Convert to fraction form
    1,115.32/1,673.34 = 466.12/x
  3. Step 3: Cross multiply
    1,115.32x = 1,673.34 × 466.12
  4. Step 4: Simplify right side
    1,115.32x = 779,977.24
  5. Step 5: Solve for x
    x = 779,977.24/1,115.32
  6. Step 6: Final answer
    x = 699.33

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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.