Home / 981,511.04-1,472,837.44-412,850.56

Finding the Fourth Proportional to 981,511.04, 1,472,837.44 and 412,850.56

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Solution

The fourth proportional to 981,511.04, 1,472,837.44 and 412,850.56 is: 619,515.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,511.04 : 1,472,837.44 = 412,850.56 : x
  2. Step 2: Convert to fraction form
    981,511.04/1,472,837.44 = 412,850.56/x
  3. Step 3: Cross multiply
    981,511.04x = 1,472,837.44 × 412,850.56
  4. Step 4: Simplify right side
    981,511.04x = 608,061,761,892.97
  5. Step 5: Solve for x
    x = 608,061,761,892.97/981,511.04
  6. Step 6: Final answer
    x = 619,515.97

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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.