Home / 404,435.46-558,122.73-223,147.31

Finding the Fourth Proportional to 404,435.46, 558,122.73 and 223,147.31

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Solution

The fourth proportional to 404,435.46, 558,122.73 and 223,147.31 is: 307,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,435.46 : 558,122.73 = 223,147.31 : x
  2. Step 2: Convert to fraction form
    404,435.46/558,122.73 = 223,147.31/x
  3. Step 3: Cross multiply
    404,435.46x = 558,122.73 × 223,147.31
  4. Step 4: Simplify right side
    404,435.46x = 124,543,583,058.74
  5. Step 5: Solve for x
    x = 124,543,583,058.74/404,435.46
  6. Step 6: Final answer
    x = 307,944.27

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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.