Home / 686,954.78-1,030,179.45-237,560.30

Finding the Fourth Proportional to 686,954.78, 1,030,179.45 and 237,560.30

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Solution

The fourth proportional to 686,954.78, 1,030,179.45 and 237,560.30 is: 356,253.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,954.78 : 1,030,179.45 = 237,560.30 : x
  2. Step 2: Convert to fraction form
    686,954.78/1,030,179.45 = 237,560.30/x
  3. Step 3: Cross multiply
    686,954.78x = 1,030,179.45 × 237,560.30
  4. Step 4: Simplify right side
    686,954.78x = 244,729,739,195.84
  5. Step 5: Solve for x
    x = 244,729,739,195.84/686,954.78
  6. Step 6: Final answer
    x = 356,253.06

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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.