Home / 1,246.16-1,867.55-476.24

Finding the Fourth Proportional to 1,246.16, 1,867.55 and 476.24

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Solution

The fourth proportional to 1,246.16, 1,867.55 and 476.24 is: 713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.16 : 1,867.55 = 476.24 : x
  2. Step 2: Convert to fraction form
    1,246.16/1,867.55 = 476.24/x
  3. Step 3: Cross multiply
    1,246.16x = 1,867.55 × 476.24
  4. Step 4: Simplify right side
    1,246.16x = 889,390.29
  5. Step 5: Solve for x
    x = 889,390.29/1,246.16
  6. Step 6: Final answer
    x = 713.71

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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.