Home / 453,849.12-680,458.44-200,991.81

Finding the Fourth Proportional to 453,849.12, 680,458.44 and 200,991.81

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Solution

The fourth proportional to 453,849.12, 680,458.44 and 200,991.81 is: 301,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,849.12 : 680,458.44 = 200,991.81 : x
  2. Step 2: Convert to fraction form
    453,849.12/680,458.44 = 200,991.81/x
  3. Step 3: Cross multiply
    453,849.12x = 680,458.44 × 200,991.81
  4. Step 4: Simplify right side
    453,849.12x = 136,766,573,485.38
  5. Step 5: Solve for x
    x = 136,766,573,485.38/453,849.12
  6. Step 6: Final answer
    x = 301,348.11

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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.