Home / 380,818.60-571,112.76-114,508.42

Finding the Fourth Proportional to 380,818.60, 571,112.76 and 114,508.42

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Solution

The fourth proportional to 380,818.60, 571,112.76 and 114,508.42 is: 171,728.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,818.60 : 571,112.76 = 114,508.42 : x
  2. Step 2: Convert to fraction form
    380,818.60/571,112.76 = 114,508.42/x
  3. Step 3: Cross multiply
    380,818.60x = 571,112.76 × 114,508.42
  4. Step 4: Simplify right side
    380,818.60x = 65,397,219,789.44
  5. Step 5: Solve for x
    x = 65,397,219,789.44/380,818.60
  6. Step 6: Final answer
    x = 171,728.01

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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.