Home / 981,182.94-1,470,543.21-419,557.02

Finding the Fourth Proportional to 981,182.94, 1,470,543.21 and 419,557.02

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Solution

The fourth proportional to 981,182.94, 1,470,543.21 and 419,557.02 is: 628,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,182.94 : 1,470,543.21 = 419,557.02 : x
  2. Step 2: Convert to fraction form
    981,182.94/1,470,543.21 = 419,557.02/x
  3. Step 3: Cross multiply
    981,182.94x = 1,470,543.21 × 419,557.02
  4. Step 4: Simplify right side
    981,182.94x = 616,976,726,968.83
  5. Step 5: Solve for x
    x = 616,976,726,968.83/981,182.94
  6. Step 6: Final answer
    x = 628,809.06

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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.