Home / 768,696.27-1,152,272.57-262,911.51

Finding the Fourth Proportional to 768,696.27, 1,152,272.57 and 262,911.51

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Solution

The fourth proportional to 768,696.27, 1,152,272.57 and 262,911.51 is: 394,103.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,696.27 : 1,152,272.57 = 262,911.51 : x
  2. Step 2: Convert to fraction form
    768,696.27/1,152,272.57 = 262,911.51/x
  3. Step 3: Cross multiply
    768,696.27x = 1,152,272.57 × 262,911.51
  4. Step 4: Simplify right side
    768,696.27x = 302,945,721,310.28
  5. Step 5: Solve for x
    x = 302,945,721,310.28/768,696.27
  6. Step 6: Final answer
    x = 394,103.28

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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.