Home / 1,068,818.44-1,603,188.76-320,845

Finding the Fourth Proportional to 1,068,818.44, 1,603,188.76 and 320,845

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Solution

The fourth proportional to 1,068,818.44, 1,603,188.76 and 320,845 is: 481,255.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,818.44 : 1,603,188.76 = 320,845 : x
  2. Step 2: Convert to fraction form
    1,068,818.44/1,603,188.76 = 320,845/x
  3. Step 3: Cross multiply
    1,068,818.44x = 1,603,188.76 × 320,845
  4. Step 4: Simplify right side
    1,068,818.44x = 514,375,097,702.20
  5. Step 5: Solve for x
    x = 514,375,097,702.20/1,068,818.44
  6. Step 6: Final answer
    x = 481,255.82

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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.