Home / 408,048.15-612,072.23-404,111.55

Finding the Fourth Proportional to 408,048.15, 612,072.23 and 404,111.55

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Solution

The fourth proportional to 408,048.15, 612,072.23 and 404,111.55 is: 606,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,048.15 : 612,072.23 = 404,111.55 : x
  2. Step 2: Convert to fraction form
    408,048.15/612,072.23 = 404,111.55/x
  3. Step 3: Cross multiply
    408,048.15x = 612,072.23 × 404,111.55
  4. Step 4: Simplify right side
    408,048.15x = 247,345,457,577.26
  5. Step 5: Solve for x
    x = 247,345,457,577.26/408,048.15
  6. Step 6: Final answer
    x = 606,167.33

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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.