Home / 764,326.40-1,146,343.80-231,864.80

Finding the Fourth Proportional to 764,326.40, 1,146,343.80 and 231,864.80

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Solution

The fourth proportional to 764,326.40, 1,146,343.80 and 231,864.80 is: 347,752.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,326.40 : 1,146,343.80 = 231,864.80 : x
  2. Step 2: Convert to fraction form
    764,326.40/1,146,343.80 = 231,864.80/x
  3. Step 3: Cross multiply
    764,326.40x = 1,146,343.80 × 231,864.80
  4. Step 4: Simplify right side
    764,326.40x = 265,796,775,918.24
  5. Step 5: Solve for x
    x = 265,796,775,918.24/764,326.40
  6. Step 6: Final answer
    x = 347,752.97

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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.