Home / 681,819.44-940,702.33-395,282.35

Finding the Fourth Proportional to 681,819.44, 940,702.33 and 395,282.35

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Solution

The fourth proportional to 681,819.44, 940,702.33 and 395,282.35 is: 545,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,819.44 : 940,702.33 = 395,282.35 : x
  2. Step 2: Convert to fraction form
    681,819.44/940,702.33 = 395,282.35/x
  3. Step 3: Cross multiply
    681,819.44x = 940,702.33 × 395,282.35
  4. Step 4: Simplify right side
    681,819.44x = 371,843,021,807.94
  5. Step 5: Solve for x
    x = 371,843,021,807.94/681,819.44
  6. Step 6: Final answer
    x = 545,368.76

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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.