Home / 829,974.47-1,145,367.35-481,182.86

Finding the Fourth Proportional to 829,974.47, 1,145,367.35 and 481,182.86

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Solution

The fourth proportional to 829,974.47, 1,145,367.35 and 481,182.86 is: 664,033.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,974.47 : 1,145,367.35 = 481,182.86 : x
  2. Step 2: Convert to fraction form
    829,974.47/1,145,367.35 = 481,182.86/x
  3. Step 3: Cross multiply
    829,974.47x = 1,145,367.35 × 481,182.86
  4. Step 4: Simplify right side
    829,974.47x = 551,131,129,090.87
  5. Step 5: Solve for x
    x = 551,131,129,090.87/829,974.47
  6. Step 6: Final answer
    x = 664,033.84

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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.