Home / 404,402.16-558,071.46-223,115.70

Finding the Fourth Proportional to 404,402.16, 558,071.46 and 223,115.70

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Solution

The fourth proportional to 404,402.16, 558,071.46 and 223,115.70 is: 307,897.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,402.16 : 558,071.46 = 223,115.70 : x
  2. Step 2: Convert to fraction form
    404,402.16/558,071.46 = 223,115.70/x
  3. Step 3: Cross multiply
    404,402.16x = 558,071.46 × 223,115.70
  4. Step 4: Simplify right side
    404,402.16x = 124,514,504,447.92
  5. Step 5: Solve for x
    x = 124,514,504,447.92/404,402.16
  6. Step 6: Final answer
    x = 307,897.72

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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.