Home / 1,463.12-2,194.56-437.12

Finding the Fourth Proportional to 1,463.12, 2,194.56 and 437.12

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Solution

The fourth proportional to 1,463.12, 2,194.56 and 437.12 is: 655.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,463.12 : 2,194.56 = 437.12 : x
  2. Step 2: Convert to fraction form
    1,463.12/2,194.56 = 437.12/x
  3. Step 3: Cross multiply
    1,463.12x = 2,194.56 × 437.12
  4. Step 4: Simplify right side
    1,463.12x = 959,286.07
  5. Step 5: Solve for x
    x = 959,286.07/1,463.12
  6. Step 6: Final answer
    x = 655.64

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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.