Home / 404,739.72-558,537.84-223,451.64

Finding the Fourth Proportional to 404,739.72, 558,537.84 and 223,451.64

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Solution

The fourth proportional to 404,739.72, 558,537.84 and 223,451.64 is: 308,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,739.72 : 558,537.84 = 223,451.64 : x
  2. Step 2: Convert to fraction form
    404,739.72/558,537.84 = 223,451.64/x
  3. Step 3: Cross multiply
    404,739.72x = 558,537.84 × 223,451.64
  4. Step 4: Simplify right side
    404,739.72x = 124,806,196,350.06
  5. Step 5: Solve for x
    x = 124,806,196,350.06/404,739.72
  6. Step 6: Final answer
    x = 308,361.62

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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.