Home / 515,974.93-774,096.08-196,132.25

Finding the Fourth Proportional to 515,974.93, 774,096.08 and 196,132.25

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Solution

The fourth proportional to 515,974.93, 774,096.08 and 196,132.25 is: 294,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,974.93 : 774,096.08 = 196,132.25 : x
  2. Step 2: Convert to fraction form
    515,974.93/774,096.08 = 196,132.25/x
  3. Step 3: Cross multiply
    515,974.93x = 774,096.08 × 196,132.25
  4. Step 4: Simplify right side
    515,974.93x = 151,825,206,841.16
  5. Step 5: Solve for x
    x = 151,825,206,841.16/515,974.93
  6. Step 6: Final answer
    x = 294,249.19

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Double scale
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Similar ratio
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1.5x scale

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.