Home / 404,476.55-558,176.98-223,188.33

Finding the Fourth Proportional to 404,476.55, 558,176.98 and 223,188.33

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Solution

The fourth proportional to 404,476.55, 558,176.98 and 223,188.33 is: 307,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,476.55 : 558,176.98 = 223,188.33 : x
  2. Step 2: Convert to fraction form
    404,476.55/558,176.98 = 223,188.33/x
  3. Step 3: Cross multiply
    404,476.55x = 558,176.98 × 223,188.33
  4. Step 4: Simplify right side
    404,476.55x = 124,578,588,010.64
  5. Step 5: Solve for x
    x = 124,578,588,010.64/404,476.55
  6. Step 6: Final answer
    x = 307,999.53

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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.