Home / 663,932-995,943.36-190,580.96

Finding the Fourth Proportional to 663,932, 995,943.36 and 190,580.96

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Solution

The fourth proportional to 663,932, 995,943.36 and 190,580.96 is: 285,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,932 : 995,943.36 = 190,580.96 : x
  2. Step 2: Convert to fraction form
    663,932/995,943.36 = 190,580.96/x
  3. Step 3: Cross multiply
    663,932x = 995,943.36 × 190,580.96
  4. Step 4: Simplify right side
    663,932x = 189,807,841,654.43
  5. Step 5: Solve for x
    x = 189,807,841,654.43/663,932
  6. Step 6: Final answer
    x = 285,884.46

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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.