Home / 404,902.60-558,769.79-223,619.13

Finding the Fourth Proportional to 404,902.60, 558,769.79 and 223,619.13

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Solution

The fourth proportional to 404,902.60, 558,769.79 and 223,619.13 is: 308,596.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,902.60 : 558,769.79 = 223,619.13 : x
  2. Step 2: Convert to fraction form
    404,902.60/558,769.79 = 223,619.13/x
  3. Step 3: Cross multiply
    404,902.60x = 558,769.79 × 223,619.13
  4. Step 4: Simplify right side
    404,902.60x = 124,951,614,869.13
  5. Step 5: Solve for x
    x = 124,951,614,869.13/404,902.60
  6. Step 6: Final answer
    x = 308,596.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.