Home / 851,168.44-1,174,588.86-469,195.12

Finding the Fourth Proportional to 851,168.44, 1,174,588.86 and 469,195.12

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Solution

The fourth proportional to 851,168.44, 1,174,588.86 and 469,195.12 is: 647,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,168.44 : 1,174,588.86 = 469,195.12 : x
  2. Step 2: Convert to fraction form
    851,168.44/1,174,588.86 = 469,195.12/x
  3. Step 3: Cross multiply
    851,168.44x = 1,174,588.86 × 469,195.12
  4. Step 4: Simplify right side
    851,168.44x = 551,111,361,118.36
  5. Step 5: Solve for x
    x = 551,111,361,118.36/851,168.44
  6. Step 6: Final answer
    x = 647,476.26

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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.