Home / 638,698.11-958,047.32-259,824.97

Finding the Fourth Proportional to 638,698.11, 958,047.32 and 259,824.97

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Solution

The fourth proportional to 638,698.11, 958,047.32 and 259,824.97 is: 389,737.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,698.11 : 958,047.32 = 259,824.97 : x
  2. Step 2: Convert to fraction form
    638,698.11/958,047.32 = 259,824.97/x
  3. Step 3: Cross multiply
    638,698.11x = 958,047.32 × 259,824.97
  4. Step 4: Simplify right side
    638,698.11x = 248,924,616,177.58
  5. Step 5: Solve for x
    x = 248,924,616,177.58/638,698.11
  6. Step 6: Final answer
    x = 389,737.52

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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.