Home / 764,455.77-1,146,690.59-231,976.82

Finding the Fourth Proportional to 764,455.77, 1,146,690.59 and 231,976.82

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Solution

The fourth proportional to 764,455.77, 1,146,690.59 and 231,976.82 is: 347,967.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,455.77 : 1,146,690.59 = 231,976.82 : x
  2. Step 2: Convert to fraction form
    764,455.77/1,146,690.59 = 231,976.82/x
  3. Step 3: Cross multiply
    764,455.77x = 1,146,690.59 × 231,976.82
  4. Step 4: Simplify right side
    764,455.77x = 266,005,635,432.24
  5. Step 5: Solve for x
    x = 266,005,635,432.24/764,455.77
  6. Step 6: Final answer
    x = 347,967.33

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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.