Home / 515,096.08-772,578.48-199,336.96

Finding the Fourth Proportional to 515,096.08, 772,578.48 and 199,336.96

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Solution

The fourth proportional to 515,096.08, 772,578.48 and 199,336.96 is: 298,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,096.08 : 772,578.48 = 199,336.96 : x
  2. Step 2: Convert to fraction form
    515,096.08/772,578.48 = 199,336.96/x
  3. Step 3: Cross multiply
    515,096.08x = 772,578.48 × 199,336.96
  4. Step 4: Simplify right side
    515,096.08x = 154,003,445,564.62
  5. Step 5: Solve for x
    x = 154,003,445,564.62/515,096.08
  6. Step 6: Final answer
    x = 298,980.04

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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.