Home / 886,905.50-1,223,929.26-479,007.22

Finding the Fourth Proportional to 886,905.50, 1,223,929.26 and 479,007.22

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Solution

The fourth proportional to 886,905.50, 1,223,929.26 and 479,007.22 is: 661,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,905.50 : 1,223,929.26 = 479,007.22 : x
  2. Step 2: Convert to fraction form
    886,905.50/1,223,929.26 = 479,007.22/x
  3. Step 3: Cross multiply
    886,905.50x = 1,223,929.26 × 479,007.22
  4. Step 4: Simplify right side
    886,905.50x = 586,270,952,891.51
  5. Step 5: Solve for x
    x = 586,270,952,891.51/886,905.50
  6. Step 6: Final answer
    x = 661,029.79

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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.