Home / 641,702.52-885,162.06-412,182.54

Finding the Fourth Proportional to 641,702.52, 885,162.06 and 412,182.54

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Solution

The fourth proportional to 641,702.52, 885,162.06 and 412,182.54 is: 568,563.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,702.52 : 885,162.06 = 412,182.54 : x
  2. Step 2: Convert to fraction form
    641,702.52/885,162.06 = 412,182.54/x
  3. Step 3: Cross multiply
    641,702.52x = 885,162.06 × 412,182.54
  4. Step 4: Simplify right side
    641,702.52x = 364,848,346,202.43
  5. Step 5: Solve for x
    x = 364,848,346,202.43/641,702.52
  6. Step 6: Final answer
    x = 568,563.06

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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.