Home / 490,174.12-735,359.60-223,863.13

Finding the Fourth Proportional to 490,174.12, 735,359.60 and 223,863.13

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Solution

The fourth proportional to 490,174.12, 735,359.60 and 223,863.13 is: 335,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,174.12 : 735,359.60 = 223,863.13 : x
  2. Step 2: Convert to fraction form
    490,174.12/735,359.60 = 223,863.13/x
  3. Step 3: Cross multiply
    490,174.12x = 735,359.60 × 223,863.13
  4. Step 4: Simplify right side
    490,174.12x = 164,619,901,731.55
  5. Step 5: Solve for x
    x = 164,619,901,731.55/490,174.12
  6. Step 6: Final answer
    x = 335,839.64

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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.