Home / 404,650.69-558,417.86-223,362.57

Finding the Fourth Proportional to 404,650.69, 558,417.86 and 223,362.57

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Solution

The fourth proportional to 404,650.69, 558,417.86 and 223,362.57 is: 308,240.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,650.69 : 558,417.86 = 223,362.57 : x
  2. Step 2: Convert to fraction form
    404,650.69/558,417.86 = 223,362.57/x
  3. Step 3: Cross multiply
    404,650.69x = 558,417.86 × 223,362.57
  4. Step 4: Simplify right side
    404,650.69x = 124,729,645,551.41
  5. Step 5: Solve for x
    x = 124,729,645,551.41/404,650.69
  6. Step 6: Final answer
    x = 308,240.29

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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.