Home / 764,200.40-1,146,300.60-659,224.40

Finding the Fourth Proportional to 764,200.40, 1,146,300.60 and 659,224.40

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Solution

The fourth proportional to 764,200.40, 1,146,300.60 and 659,224.40 is: 988,836.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,200.40 : 1,146,300.60 = 659,224.40 : x
  2. Step 2: Convert to fraction form
    764,200.40/1,146,300.60 = 659,224.40/x
  3. Step 3: Cross multiply
    764,200.40x = 1,146,300.60 × 659,224.40
  4. Step 4: Simplify right side
    764,200.40x = 755,669,325,254.64
  5. Step 5: Solve for x
    x = 755,669,325,254.64/764,200.40
  6. Step 6: Final answer
    x = 988,836.60

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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.