Home / 886,939.93-1,223,976.72-479,041.62

Finding the Fourth Proportional to 886,939.93, 1,223,976.72 and 479,041.62

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Solution

The fourth proportional to 886,939.93, 1,223,976.72 and 479,041.62 is: 661,077.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,939.93 : 1,223,976.72 = 479,041.62 : x
  2. Step 2: Convert to fraction form
    886,939.93/1,223,976.72 = 479,041.62/x
  3. Step 3: Cross multiply
    886,939.93x = 1,223,976.72 × 479,041.62
  4. Step 4: Simplify right side
    886,939.93x = 586,335,790,791.09
  5. Step 5: Solve for x
    x = 586,335,790,791.09/886,939.93
  6. Step 6: Final answer
    x = 661,077.23

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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.