Home / 716,711.28-1,074,887.64-211,171.92

Finding the Fourth Proportional to 716,711.28, 1,074,887.64 and 211,171.92

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Solution

The fourth proportional to 716,711.28, 1,074,887.64 and 211,171.92 is: 316,705.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,711.28 : 1,074,887.64 = 211,171.92 : x
  2. Step 2: Convert to fraction form
    716,711.28/1,074,887.64 = 211,171.92/x
  3. Step 3: Cross multiply
    716,711.28x = 1,074,887.64 × 211,171.92
  4. Step 4: Simplify right side
    716,711.28x = 226,986,086,723.07
  5. Step 5: Solve for x
    x = 226,986,086,723.07/716,711.28
  6. Step 6: Final answer
    x = 316,705.06

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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.