Home / 686,496.78-1,029,654.66-181,097.28

Finding the Fourth Proportional to 686,496.78, 1,029,654.66 and 181,097.28

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Solution

The fourth proportional to 686,496.78, 1,029,654.66 and 181,097.28 is: 271,622.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,496.78 : 1,029,654.66 = 181,097.28 : x
  2. Step 2: Convert to fraction form
    686,496.78/1,029,654.66 = 181,097.28/x
  3. Step 3: Cross multiply
    686,496.78x = 1,029,654.66 × 181,097.28
  4. Step 4: Simplify right side
    686,496.78x = 186,467,658,265.33
  5. Step 5: Solve for x
    x = 186,467,658,265.33/686,496.78
  6. Step 6: Final answer
    x = 271,622.04

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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.