Home / 481,566.55-721,572.23-303,755.35

Finding the Fourth Proportional to 481,566.55, 721,572.23 and 303,755.35

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Solution

The fourth proportional to 481,566.55, 721,572.23 and 303,755.35 is: 455,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,566.55 : 721,572.23 = 303,755.35 : x
  2. Step 2: Convert to fraction form
    481,566.55/721,572.23 = 303,755.35/x
  3. Step 3: Cross multiply
    481,566.55x = 721,572.23 × 303,755.35
  4. Step 4: Simplify right side
    481,566.55x = 219,181,423,755.15
  5. Step 5: Solve for x
    x = 219,181,423,755.15/481,566.55
  6. Step 6: Final answer
    x = 455,142.54

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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.