Home / 663,863.37-995,769.06-190,548.55

Finding the Fourth Proportional to 663,863.37, 995,769.06 and 190,548.55

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Solution

The fourth proportional to 663,863.37, 995,769.06 and 190,548.55 is: 285,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,863.37 : 995,769.06 = 190,548.55 : x
  2. Step 2: Convert to fraction form
    663,863.37/995,769.06 = 190,548.55/x
  3. Step 3: Cross multiply
    663,863.37x = 995,769.06 × 190,548.55
  4. Step 4: Simplify right side
    663,863.37x = 189,742,350,517.86
  5. Step 5: Solve for x
    x = 189,742,350,517.86/663,863.37
  6. Step 6: Final answer
    x = 285,815.36

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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.