Home / 816,102.49-1,126,197.74-467,231.22

Finding the Fourth Proportional to 816,102.49, 1,126,197.74 and 467,231.22

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Solution

The fourth proportional to 816,102.49, 1,126,197.74 and 467,231.22 is: 644,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,102.49 : 1,126,197.74 = 467,231.22 : x
  2. Step 2: Convert to fraction form
    816,102.49/1,126,197.74 = 467,231.22/x
  3. Step 3: Cross multiply
    816,102.49x = 1,126,197.74 × 467,231.22
  4. Step 4: Simplify right side
    816,102.49x = 526,194,747,969.51
  5. Step 5: Solve for x
    x = 526,194,747,969.51/816,102.49
  6. Step 6: Final answer
    x = 644,765.52

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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.