Home / 764,710.62-1,147,062.09-196,089.18

Finding the Fourth Proportional to 764,710.62, 1,147,062.09 and 196,089.18

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Solution

The fourth proportional to 764,710.62, 1,147,062.09 and 196,089.18 is: 294,132.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,710.62 : 1,147,062.09 = 196,089.18 : x
  2. Step 2: Convert to fraction form
    764,710.62/1,147,062.09 = 196,089.18/x
  3. Step 3: Cross multiply
    764,710.62x = 1,147,062.09 × 196,089.18
  4. Step 4: Simplify right side
    764,710.62x = 224,926,464,637.19
  5. Step 5: Solve for x
    x = 224,926,464,637.19/764,710.62
  6. Step 6: Final answer
    x = 294,132.79

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Double scale
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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.