Home / 404,928.15-558,753.19-223,629.26

Finding the Fourth Proportional to 404,928.15, 558,753.19 and 223,629.26

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Solution

The fourth proportional to 404,928.15, 558,753.19 and 223,629.26 is: 308,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,928.15 : 558,753.19 = 223,629.26 : x
  2. Step 2: Convert to fraction form
    404,928.15/558,753.19 = 223,629.26/x
  3. Step 3: Cross multiply
    404,928.15x = 558,753.19 × 223,629.26
  4. Step 4: Simplify right side
    404,928.15x = 124,953,559,049.50
  5. Step 5: Solve for x
    x = 124,953,559,049.50/404,928.15
  6. Step 6: Final answer
    x = 308,582.05

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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.