Home / 764,337.70-1,146,506.55-587,736.10

Finding the Fourth Proportional to 764,337.70, 1,146,506.55 and 587,736.10

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Solution

The fourth proportional to 764,337.70, 1,146,506.55 and 587,736.10 is: 881,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,337.70 : 1,146,506.55 = 587,736.10 : x
  2. Step 2: Convert to fraction form
    764,337.70/1,146,506.55 = 587,736.10/x
  3. Step 3: Cross multiply
    764,337.70x = 1,146,506.55 × 587,736.10
  4. Step 4: Simplify right side
    764,337.70x = 673,843,288,321.46
  5. Step 5: Solve for x
    x = 673,843,288,321.46/764,337.70
  6. Step 6: Final answer
    x = 881,604.15

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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.