Home / 422,826.48-632,995.56-282,236.40

Finding the Fourth Proportional to 422,826.48, 632,995.56 and 282,236.40

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Solution

The fourth proportional to 422,826.48, 632,995.56 and 282,236.40 is: 422,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,826.48 : 632,995.56 = 282,236.40 : x
  2. Step 2: Convert to fraction form
    422,826.48/632,995.56 = 282,236.40/x
  3. Step 3: Cross multiply
    422,826.48x = 632,995.56 × 282,236.40
  4. Step 4: Simplify right side
    422,826.48x = 178,654,388,070.38
  5. Step 5: Solve for x
    x = 178,654,388,070.38/422,826.48
  6. Step 6: Final answer
    x = 422,524.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.