Home / 645,769.36-968,801.46-196,553.89

Finding the Fourth Proportional to 645,769.36, 968,801.46 and 196,553.89

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Solution

The fourth proportional to 645,769.36, 968,801.46 and 196,553.89 is: 294,875.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,769.36 : 968,801.46 = 196,553.89 : x
  2. Step 2: Convert to fraction form
    645,769.36/968,801.46 = 196,553.89/x
  3. Step 3: Cross multiply
    645,769.36x = 968,801.46 × 196,553.89
  4. Step 4: Simplify right side
    645,769.36x = 190,421,695,600.68
  5. Step 5: Solve for x
    x = 190,421,695,600.68/645,769.36
  6. Step 6: Final answer
    x = 294,875.71

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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.