Home / 764,455.59-1,146,690.33-231,976.64

Finding the Fourth Proportional to 764,455.59, 1,146,690.33 and 231,976.64

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Solution

The fourth proportional to 764,455.59, 1,146,690.33 and 231,976.64 is: 347,967.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,455.59 : 1,146,690.33 = 231,976.64 : x
  2. Step 2: Convert to fraction form
    764,455.59/1,146,690.33 = 231,976.64/x
  3. Step 3: Cross multiply
    764,455.59x = 1,146,690.33 × 231,976.64
  4. Step 4: Simplify right side
    764,455.59x = 266,005,369,873.89
  5. Step 5: Solve for x
    x = 266,005,369,873.89/764,455.59
  6. Step 6: Final answer
    x = 347,967.07

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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.