Home / 986,804.20-1,361,794.66-557,101.80

Finding the Fourth Proportional to 986,804.20, 1,361,794.66 and 557,101.80

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Solution

The fourth proportional to 986,804.20, 1,361,794.66 and 557,101.80 is: 768,803.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,804.20 : 1,361,794.66 = 557,101.80 : x
  2. Step 2: Convert to fraction form
    986,804.20/1,361,794.66 = 557,101.80/x
  3. Step 3: Cross multiply
    986,804.20x = 1,361,794.66 × 557,101.80
  4. Step 4: Simplify right side
    986,804.20x = 758,658,256,316.39
  5. Step 5: Solve for x
    x = 758,658,256,316.39/986,804.20
  6. Step 6: Final answer
    x = 768,803.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.