Home / 496,022.20-744,206.10-215,740.60

Finding the Fourth Proportional to 496,022.20, 744,206.10 and 215,740.60

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Solution

The fourth proportional to 496,022.20, 744,206.10 and 215,740.60 is: 323,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,022.20 : 744,206.10 = 215,740.60 : x
  2. Step 2: Convert to fraction form
    496,022.20/744,206.10 = 215,740.60/x
  3. Step 3: Cross multiply
    496,022.20x = 744,206.10 × 215,740.60
  4. Step 4: Simplify right side
    496,022.20x = 160,555,470,537.66
  5. Step 5: Solve for x
    x = 160,555,470,537.66/496,022.20
  6. Step 6: Final answer
    x = 323,686.06

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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.