Home / 404,830.20-606,953.70-227,391.60

Finding the Fourth Proportional to 404,830.20, 606,953.70 and 227,391.60

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Solution

The fourth proportional to 404,830.20, 606,953.70 and 227,391.60 is: 340,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,830.20 : 606,953.70 = 227,391.60 : x
  2. Step 2: Convert to fraction form
    404,830.20/606,953.70 = 227,391.60/x
  3. Step 3: Cross multiply
    404,830.20x = 606,953.70 × 227,391.60
  4. Step 4: Simplify right side
    404,830.20x = 138,016,172,968.92
  5. Step 5: Solve for x
    x = 138,016,172,968.92/404,830.20
  6. Step 6: Final answer
    x = 340,923.61

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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.