Home / 716,321.75-1,074,112.79-210,817.04

Finding the Fourth Proportional to 716,321.75, 1,074,112.79 and 210,817.04

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Solution

The fourth proportional to 716,321.75, 1,074,112.79 and 210,817.04 is: 316,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,321.75 : 1,074,112.79 = 210,817.04 : x
  2. Step 2: Convert to fraction form
    716,321.75/1,074,112.79 = 210,817.04/x
  3. Step 3: Cross multiply
    716,321.75x = 1,074,112.79 × 210,817.04
  4. Step 4: Simplify right side
    716,321.75x = 226,441,272,589.29
  5. Step 5: Solve for x
    x = 226,441,272,589.29/716,321.75
  6. Step 6: Final answer
    x = 316,116.71

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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.