Home / 764,357.80-1,146,245.10-231,701.80

Finding the Fourth Proportional to 764,357.80, 1,146,245.10 and 231,701.80

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Solution

The fourth proportional to 764,357.80, 1,146,245.10 and 231,701.80 is: 347,464.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,357.80 : 1,146,245.10 = 231,701.80 : x
  2. Step 2: Convert to fraction form
    764,357.80/1,146,245.10 = 231,701.80/x
  3. Step 3: Cross multiply
    764,357.80x = 1,146,245.10 × 231,701.80
  4. Step 4: Simplify right side
    764,357.80x = 265,587,052,911.18
  5. Step 5: Solve for x
    x = 265,587,052,911.18/764,357.80
  6. Step 6: Final answer
    x = 347,464.31

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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.