Home / 431,724.60-647,528.58-116,200.44

Finding the Fourth Proportional to 431,724.60, 647,528.58 and 116,200.44

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Solution

The fourth proportional to 431,724.60, 647,528.58 and 116,200.44 is: 174,284.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,724.60 : 647,528.58 = 116,200.44 : x
  2. Step 2: Convert to fraction form
    431,724.60/647,528.58 = 116,200.44/x
  3. Step 3: Cross multiply
    431,724.60x = 647,528.58 × 116,200.44
  4. Step 4: Simplify right side
    431,724.60x = 75,243,105,908.58
  5. Step 5: Solve for x
    x = 75,243,105,908.58/431,724.60
  6. Step 6: Final answer
    x = 174,284.96

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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.