Home / 404,456.45-558,146.39-223,170.08

Finding the Fourth Proportional to 404,456.45, 558,146.39 and 223,170.08

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Solution

The fourth proportional to 404,456.45, 558,146.39 and 223,170.08 is: 307,972.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,456.45 : 558,146.39 = 223,170.08 : x
  2. Step 2: Convert to fraction form
    404,456.45/558,146.39 = 223,170.08/x
  3. Step 3: Cross multiply
    404,456.45x = 558,146.39 × 223,170.08
  4. Step 4: Simplify right side
    404,456.45x = 124,561,570,601.43
  5. Step 5: Solve for x
    x = 124,561,570,601.43/404,456.45
  6. Step 6: Final answer
    x = 307,972.77

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1.5x scale

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.