Home / 821,791.10-1,134,049.92-459,217.94

Finding the Fourth Proportional to 821,791.10, 1,134,049.92 and 459,217.94

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Solution

The fourth proportional to 821,791.10, 1,134,049.92 and 459,217.94 is: 633,708.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,791.10 : 1,134,049.92 = 459,217.94 : x
  2. Step 2: Convert to fraction form
    821,791.10/1,134,049.92 = 459,217.94/x
  3. Step 3: Cross multiply
    821,791.10x = 1,134,049.92 × 459,217.94
  4. Step 4: Simplify right side
    821,791.10x = 520,776,068,119.57
  5. Step 5: Solve for x
    x = 520,776,068,119.57/821,791.10
  6. Step 6: Final answer
    x = 633,708.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.