Home / 404,695.35-558,476.16-223,403.39

Finding the Fourth Proportional to 404,695.35, 558,476.16 and 223,403.39

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Solution

The fourth proportional to 404,695.35, 558,476.16 and 223,403.39 is: 308,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,695.35 : 558,476.16 = 223,403.39 : x
  2. Step 2: Convert to fraction form
    404,695.35/558,476.16 = 223,403.39/x
  3. Step 3: Cross multiply
    404,695.35x = 558,476.16 × 223,403.39
  4. Step 4: Simplify right side
    404,695.35x = 124,765,467,378.18
  5. Step 5: Solve for x
    x = 124,765,467,378.18/404,695.35
  6. Step 6: Final answer
    x = 308,294.79

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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.