Home / 970,815.09-1,339,731.03-541,122.44

Finding the Fourth Proportional to 970,815.09, 1,339,731.03 and 541,122.44

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Solution

The fourth proportional to 970,815.09, 1,339,731.03 and 541,122.44 is: 746,752.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,815.09 : 1,339,731.03 = 541,122.44 : x
  2. Step 2: Convert to fraction form
    970,815.09/1,339,731.03 = 541,122.44/x
  3. Step 3: Cross multiply
    970,815.09x = 1,339,731.03 × 541,122.44
  4. Step 4: Simplify right side
    970,815.09x = 724,958,517,198.66
  5. Step 5: Solve for x
    x = 724,958,517,198.66/970,815.09
  6. Step 6: Final answer
    x = 746,752.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.