Home / 335,631.40-503,447.10-274,191.40

Finding the Fourth Proportional to 335,631.40, 503,447.10 and 274,191.40

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Solution

The fourth proportional to 335,631.40, 503,447.10 and 274,191.40 is: 411,287.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,631.40 : 503,447.10 = 274,191.40 : x
  2. Step 2: Convert to fraction form
    335,631.40/503,447.10 = 274,191.40/x
  3. Step 3: Cross multiply
    335,631.40x = 503,447.10 × 274,191.40
  4. Step 4: Simplify right side
    335,631.40x = 138,040,865,174.94
  5. Step 5: Solve for x
    x = 138,040,865,174.94/335,631.40
  6. Step 6: Final answer
    x = 411,287.10

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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.