Home / 691,100.73-953,786.48-516,367.73

Finding the Fourth Proportional to 691,100.73, 953,786.48 and 516,367.73

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Solution

The fourth proportional to 691,100.73, 953,786.48 and 516,367.73 is: 712,637.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,100.73 : 953,786.48 = 516,367.73 : x
  2. Step 2: Convert to fraction form
    691,100.73/953,786.48 = 516,367.73/x
  3. Step 3: Cross multiply
    691,100.73x = 953,786.48 × 516,367.73
  4. Step 4: Simplify right side
    691,100.73x = 492,504,560,222.08
  5. Step 5: Solve for x
    x = 492,504,560,222.08/691,100.73
  6. Step 6: Final answer
    x = 712,637.88

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Double scale
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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.