Home / 714,236.27-985,492.09-412,255.31

Finding the Fourth Proportional to 714,236.27, 985,492.09 and 412,255.31

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Solution

The fourth proportional to 714,236.27, 985,492.09 and 412,255.31 is: 568,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,236.27 : 985,492.09 = 412,255.31 : x
  2. Step 2: Convert to fraction form
    714,236.27/985,492.09 = 412,255.31/x
  3. Step 3: Cross multiply
    714,236.27x = 985,492.09 × 412,255.31
  4. Step 4: Simplify right side
    714,236.27x = 406,274,348,498.59
  5. Step 5: Solve for x
    x = 406,274,348,498.59/714,236.27
  6. Step 6: Final answer
    x = 568,823.46

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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.