Home / 764,082.04-1,146,121.80-203,116.60

Finding the Fourth Proportional to 764,082.04, 1,146,121.80 and 203,116.60

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Solution

The fourth proportional to 764,082.04, 1,146,121.80 and 203,116.60 is: 304,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,082.04 : 1,146,121.80 = 203,116.60 : x
  2. Step 2: Convert to fraction form
    764,082.04/1,146,121.80 = 203,116.60/x
  3. Step 3: Cross multiply
    764,082.04x = 1,146,121.80 × 203,116.60
  4. Step 4: Simplify right side
    764,082.04x = 232,796,363,201.88
  5. Step 5: Solve for x
    x = 232,796,363,201.88/764,082.04
  6. Step 6: Final answer
    x = 304,674.57

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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.