Home / 319,789.16-479,934.30-223,097.54

Finding the Fourth Proportional to 319,789.16, 479,934.30 and 223,097.54

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Solution

The fourth proportional to 319,789.16, 479,934.30 and 223,097.54 is: 334,821.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,789.16 : 479,934.30 = 223,097.54 : x
  2. Step 2: Convert to fraction form
    319,789.16/479,934.30 = 223,097.54/x
  3. Step 3: Cross multiply
    319,789.16x = 479,934.30 × 223,097.54
  4. Step 4: Simplify right side
    319,789.16x = 107,072,161,691.62
  5. Step 5: Solve for x
    x = 107,072,161,691.62/319,789.16
  6. Step 6: Final answer
    x = 334,821.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.