Home / 981,184.44-1,470,545.46-419,558.52

Finding the Fourth Proportional to 981,184.44, 1,470,545.46 and 419,558.52

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Solution

The fourth proportional to 981,184.44, 1,470,545.46 and 419,558.52 is: 628,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,184.44 : 1,470,545.46 = 419,558.52 : x
  2. Step 2: Convert to fraction form
    981,184.44/1,470,545.46 = 419,558.52/x
  3. Step 3: Cross multiply
    981,184.44x = 1,470,545.46 × 419,558.52
  4. Step 4: Simplify right side
    981,184.44x = 616,979,876,790.32
  5. Step 5: Solve for x
    x = 616,979,876,790.32/981,184.44
  6. Step 6: Final answer
    x = 628,811.31

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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.