Home / 411,319.09-616,729.46-268,992.57

Finding the Fourth Proportional to 411,319.09, 616,729.46 and 268,992.57

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Solution

The fourth proportional to 411,319.09, 616,729.46 and 268,992.57 is: 403,325.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,319.09 : 616,729.46 = 268,992.57 : x
  2. Step 2: Convert to fraction form
    411,319.09/616,729.46 = 268,992.57/x
  3. Step 3: Cross multiply
    411,319.09x = 616,729.46 × 268,992.57
  4. Step 4: Simplify right side
    411,319.09x = 165,895,641,095.15
  5. Step 5: Solve for x
    x = 165,895,641,095.15/411,319.09
  6. Step 6: Final answer
    x = 403,325.90

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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.