Home / 1,244.53-1,867.10-465.11

Finding the Fourth Proportional to 1,244.53, 1,867.10 and 465.11

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Solution

The fourth proportional to 1,244.53, 1,867.10 and 465.11 is: 697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244.53 : 1,867.10 = 465.11 : x
  2. Step 2: Convert to fraction form
    1,244.53/1,867.10 = 465.11/x
  3. Step 3: Cross multiply
    1,244.53x = 1,867.10 × 465.11
  4. Step 4: Simplify right side
    1,244.53x = 868,395.22
  5. Step 5: Solve for x
    x = 868,395.22/1,244.53
  6. Step 6: Final answer
    x = 697.77

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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.