Home / 777,468.80-1,166,203.20-444,811.52

Finding the Fourth Proportional to 777,468.80, 1,166,203.20 and 444,811.52

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Solution

The fourth proportional to 777,468.80, 1,166,203.20 and 444,811.52 is: 667,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,468.80 : 1,166,203.20 = 444,811.52 : x
  2. Step 2: Convert to fraction form
    777,468.80/1,166,203.20 = 444,811.52/x
  3. Step 3: Cross multiply
    777,468.80x = 1,166,203.20 × 444,811.52
  4. Step 4: Simplify right side
    777,468.80x = 518,740,618,020.86
  5. Step 5: Solve for x
    x = 518,740,618,020.86/777,468.80
  6. Step 6: Final answer
    x = 667,217.28

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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.