Home / 626,102.28-863,062.44-383,935.80

Finding the Fourth Proportional to 626,102.28, 863,062.44 and 383,935.80

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Solution

The fourth proportional to 626,102.28, 863,062.44 and 383,935.80 is: 529,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,102.28 : 863,062.44 = 383,935.80 : x
  2. Step 2: Convert to fraction form
    626,102.28/863,062.44 = 383,935.80/x
  3. Step 3: Cross multiply
    626,102.28x = 863,062.44 × 383,935.80
  4. Step 4: Simplify right side
    626,102.28x = 331,360,568,351.35
  5. Step 5: Solve for x
    x = 331,360,568,351.35/626,102.28
  6. Step 6: Final answer
    x = 529,243.51

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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.