Home / 981,183.44-1,470,543.96-419,557.52

Finding the Fourth Proportional to 981,183.44, 1,470,543.96 and 419,557.52

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Solution

The fourth proportional to 981,183.44, 1,470,543.96 and 419,557.52 is: 628,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,183.44 : 1,470,543.96 = 419,557.52 : x
  2. Step 2: Convert to fraction form
    981,183.44/1,470,543.96 = 419,557.52/x
  3. Step 3: Cross multiply
    981,183.44x = 1,470,543.96 × 419,557.52
  4. Step 4: Simplify right side
    981,183.44x = 616,977,776,908.58
  5. Step 5: Solve for x
    x = 616,977,776,908.58/981,183.44
  6. Step 6: Final answer
    x = 628,809.81

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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.