Home / 603,442.12-905,279.82-204,147.76

Finding the Fourth Proportional to 603,442.12, 905,279.82 and 204,147.76

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Solution

The fourth proportional to 603,442.12, 905,279.82 and 204,147.76 is: 306,261.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,442.12 : 905,279.82 = 204,147.76 : x
  2. Step 2: Convert to fraction form
    603,442.12/905,279.82 = 204,147.76/x
  3. Step 3: Cross multiply
    603,442.12x = 905,279.82 × 204,147.76
  4. Step 4: Simplify right side
    603,442.12x = 184,810,847,426.20
  5. Step 5: Solve for x
    x = 184,810,847,426.20/603,442.12
  6. Step 6: Final answer
    x = 306,261.10

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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.