Home / 764,107.20-1,146,160.80-365,526.46

Finding the Fourth Proportional to 764,107.20, 1,146,160.80 and 365,526.46

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Solution

The fourth proportional to 764,107.20, 1,146,160.80 and 365,526.46 is: 548,289.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,107.20 : 1,146,160.80 = 365,526.46 : x
  2. Step 2: Convert to fraction form
    764,107.20/1,146,160.80 = 365,526.46/x
  3. Step 3: Cross multiply
    764,107.20x = 1,146,160.80 × 365,526.46
  4. Step 4: Simplify right side
    764,107.20x = 418,952,099,814.77
  5. Step 5: Solve for x
    x = 418,952,099,814.77/764,107.20
  6. Step 6: Final answer
    x = 548,289.69

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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.