Home / 1,463.40-2,196.22-694.44

Finding the Fourth Proportional to 1,463.40, 2,196.22 and 694.44

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Solution

The fourth proportional to 1,463.40, 2,196.22 and 694.44 is: 1,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.40 : 2,196.22 = 694.44 : x
  2. Step 2: Convert to fraction form
    1,463.40/2,196.22 = 694.44/x
  3. Step 3: Cross multiply
    1,463.40x = 2,196.22 × 694.44
  4. Step 4: Simplify right side
    1,463.40x = 1,525,143.02
  5. Step 5: Solve for x
    x = 1,525,143.02/1,463.40
  6. Step 6: Final answer
    x = 1,042.19

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1.5x scale

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.