Home / 764,114.70-1,146,172.05-203,205.90

Finding the Fourth Proportional to 764,114.70, 1,146,172.05 and 203,205.90

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Solution

The fourth proportional to 764,114.70, 1,146,172.05 and 203,205.90 is: 304,808.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,114.70 : 1,146,172.05 = 203,205.90 : x
  2. Step 2: Convert to fraction form
    764,114.70/1,146,172.05 = 203,205.90/x
  3. Step 3: Cross multiply
    764,114.70x = 1,146,172.05 × 203,205.90
  4. Step 4: Simplify right side
    764,114.70x = 232,908,922,975.10
  5. Step 5: Solve for x
    x = 232,908,922,975.10/764,114.70
  6. Step 6: Final answer
    x = 304,808.85

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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.