Home / 481,226.16-721,590.52-211,243.80

Finding the Fourth Proportional to 481,226.16, 721,590.52 and 211,243.80

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Solution

The fourth proportional to 481,226.16, 721,590.52 and 211,243.80 is: 316,756.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,226.16 : 721,590.52 = 211,243.80 : x
  2. Step 2: Convert to fraction form
    481,226.16/721,590.52 = 211,243.80/x
  3. Step 3: Cross multiply
    481,226.16x = 721,590.52 × 211,243.80
  4. Step 4: Simplify right side
    481,226.16x = 152,431,523,488.78
  5. Step 5: Solve for x
    x = 152,431,523,488.78/481,226.16
  6. Step 6: Final answer
    x = 316,756.52

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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.