Home / 764,575.16-1,146,986.79-252,087.24

Finding the Fourth Proportional to 764,575.16, 1,146,986.79 and 252,087.24

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Solution

The fourth proportional to 764,575.16, 1,146,986.79 and 252,087.24 is: 378,171.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,575.16 : 1,146,986.79 = 252,087.24 : x
  2. Step 2: Convert to fraction form
    764,575.16/1,146,986.79 = 252,087.24/x
  3. Step 3: Cross multiply
    764,575.16x = 1,146,986.79 × 252,087.24
  4. Step 4: Simplify right side
    764,575.16x = 289,140,737,563.43
  5. Step 5: Solve for x
    x = 289,140,737,563.43/764,575.16
  6. Step 6: Final answer
    x = 378,171.77

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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.