Home / 764,553.06-1,146,967.83-315,023.85

Finding the Fourth Proportional to 764,553.06, 1,146,967.83 and 315,023.85

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Solution

The fourth proportional to 764,553.06, 1,146,967.83 and 315,023.85 is: 472,592.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,553.06 : 1,146,967.83 = 315,023.85 : x
  2. Step 2: Convert to fraction form
    764,553.06/1,146,967.83 = 315,023.85/x
  3. Step 3: Cross multiply
    764,553.06x = 1,146,967.83 × 315,023.85
  4. Step 4: Simplify right side
    764,553.06x = 361,322,221,632.75
  5. Step 5: Solve for x
    x = 361,322,221,632.75/764,553.06
  6. Step 6: Final answer
    x = 472,592.73

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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.