Home / 404,713.29-558,505.14-223,425.45

Finding the Fourth Proportional to 404,713.29, 558,505.14 and 223,425.45

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Solution

The fourth proportional to 404,713.29, 558,505.14 and 223,425.45 is: 308,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,713.29 : 558,505.14 = 223,425.45 : x
  2. Step 2: Convert to fraction form
    404,713.29/558,505.14 = 223,425.45/x
  3. Step 3: Cross multiply
    404,713.29x = 558,505.14 × 223,425.45
  4. Step 4: Simplify right side
    404,713.29x = 124,784,262,231.81
  5. Step 5: Solve for x
    x = 124,784,262,231.81/404,713.29
  6. Step 6: Final answer
    x = 308,327.56

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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.