Home / 839,837.46-1,259,010.24-327,384.48

Finding the Fourth Proportional to 839,837.46, 1,259,010.24 and 327,384.48

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Solution

The fourth proportional to 839,837.46, 1,259,010.24 and 327,384.48 is: 490,785.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,837.46 : 1,259,010.24 = 327,384.48 : x
  2. Step 2: Convert to fraction form
    839,837.46/1,259,010.24 = 327,384.48/x
  3. Step 3: Cross multiply
    839,837.46x = 1,259,010.24 × 327,384.48
  4. Step 4: Simplify right side
    839,837.46x = 412,180,412,737.08
  5. Step 5: Solve for x
    x = 412,180,412,737.08/839,837.46
  6. Step 6: Final answer
    x = 490,785.93

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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.