Home / 3,520,336.86-5,279,651.73-961,563.78

Finding the Fourth Proportional to 3,520,336.86, 5,279,651.73 and 961,563.78

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Solution

The fourth proportional to 3,520,336.86, 5,279,651.73 and 961,563.78 is: 1,442,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,336.86 : 5,279,651.73 = 961,563.78 : x
  2. Step 2: Convert to fraction form
    3,520,336.86/5,279,651.73 = 961,563.78/x
  3. Step 3: Cross multiply
    3,520,336.86x = 5,279,651.73 × 961,563.78
  4. Step 4: Simplify right side
    3,520,336.86x = 5,076,721,874,582.34
  5. Step 5: Solve for x
    x = 5,076,721,874,582.34/3,520,336.86
  6. Step 6: Final answer
    x = 1,442,112.52

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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.