Home / 764,098.04-1,146,145.80-203,132.60

Finding the Fourth Proportional to 764,098.04, 1,146,145.80 and 203,132.60

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Solution

The fourth proportional to 764,098.04, 1,146,145.80 and 203,132.60 is: 304,698.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,098.04 : 1,146,145.80 = 203,132.60 : x
  2. Step 2: Convert to fraction form
    764,098.04/1,146,145.80 = 203,132.60/x
  3. Step 3: Cross multiply
    764,098.04x = 1,146,145.80 × 203,132.60
  4. Step 4: Simplify right side
    764,098.04x = 232,819,576,333.08
  5. Step 5: Solve for x
    x = 232,819,576,333.08/764,098.04
  6. Step 6: Final answer
    x = 304,698.57

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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.