Home / 5,279,321.70-7,911,109.35-4,476,255.30

Finding the Fourth Proportional to 5,279,321.70, 7,911,109.35 and 4,476,255.30

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Solution

The fourth proportional to 5,279,321.70, 7,911,109.35 and 4,476,255.30 is: 6,707,707.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,321.70 : 7,911,109.35 = 4,476,255.30 : x
  2. Step 2: Convert to fraction form
    5,279,321.70/7,911,109.35 = 4,476,255.30/x
  3. Step 3: Cross multiply
    5,279,321.70x = 7,911,109.35 × 4,476,255.30
  4. Step 4: Simplify right side
    5,279,321.70x = 35,412,145,156,817.05
  5. Step 5: Solve for x
    x = 35,412,145,156,817.05/5,279,321.70
  6. Step 6: Final answer
    x = 6,707,707.39

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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.