Home / 791,770.26-1,091,937.46-617,383.69

Finding the Fourth Proportional to 791,770.26, 1,091,937.46 and 617,383.69

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Solution

The fourth proportional to 791,770.26, 1,091,937.46 and 617,383.69 is: 851,439.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,770.26 : 1,091,937.46 = 617,383.69 : x
  2. Step 2: Convert to fraction form
    791,770.26/1,091,937.46 = 617,383.69/x
  3. Step 3: Cross multiply
    791,770.26x = 1,091,937.46 × 617,383.69
  4. Step 4: Simplify right side
    791,770.26x = 674,144,375,188.32
  5. Step 5: Solve for x
    x = 674,144,375,188.32/791,770.26
  6. Step 6: Final answer
    x = 851,439.38

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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.