Home / 645,768.36-968,799.96-196,552.89

Finding the Fourth Proportional to 645,768.36, 968,799.96 and 196,552.89

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Solution

The fourth proportional to 645,768.36, 968,799.96 and 196,552.89 is: 294,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,768.36 : 968,799.96 = 196,552.89 : x
  2. Step 2: Convert to fraction form
    645,768.36/968,799.96 = 196,552.89/x
  3. Step 3: Cross multiply
    645,768.36x = 968,799.96 × 196,552.89
  4. Step 4: Simplify right side
    645,768.36x = 190,420,431,969.88
  5. Step 5: Solve for x
    x = 190,420,431,969.88/645,768.36
  6. Step 6: Final answer
    x = 294,874.21

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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.