Home / 430,778.43-646,167.83-193,844.34

Finding the Fourth Proportional to 430,778.43, 646,167.83 and 193,844.34

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Solution

The fourth proportional to 430,778.43, 646,167.83 and 193,844.34 is: 290,766.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,778.43 : 646,167.83 = 193,844.34 : x
  2. Step 2: Convert to fraction form
    430,778.43/646,167.83 = 193,844.34/x
  3. Step 3: Cross multiply
    430,778.43x = 646,167.83 × 193,844.34
  4. Step 4: Simplify right side
    430,778.43x = 125,255,975,566.36
  5. Step 5: Solve for x
    x = 125,255,975,566.36/430,778.43
  6. Step 6: Final answer
    x = 290,766.59

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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.