Home / 791,396.23-1,092,182.22-447,263.96

Finding the Fourth Proportional to 791,396.23, 1,092,182.22 and 447,263.96

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Solution

The fourth proportional to 791,396.23, 1,092,182.22 and 447,263.96 is: 617,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,396.23 : 1,092,182.22 = 447,263.96 : x
  2. Step 2: Convert to fraction form
    791,396.23/1,092,182.22 = 447,263.96/x
  3. Step 3: Cross multiply
    791,396.23x = 1,092,182.22 × 447,263.96
  4. Step 4: Simplify right side
    791,396.23x = 488,493,741,995.86
  5. Step 5: Solve for x
    x = 488,493,741,995.86/791,396.23
  6. Step 6: Final answer
    x = 617,255.58

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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.