Home / 664,059.60-995,927.40-190,695.60

Finding the Fourth Proportional to 664,059.60, 995,927.40 and 190,695.60

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Solution

The fourth proportional to 664,059.60, 995,927.40 and 190,695.60 is: 285,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,059.60 : 995,927.40 = 190,695.60 : x
  2. Step 2: Convert to fraction form
    664,059.60/995,927.40 = 190,695.60/x
  3. Step 3: Cross multiply
    664,059.60x = 995,927.40 × 190,695.60
  4. Step 4: Simplify right side
    664,059.60x = 189,918,973,099.44
  5. Step 5: Solve for x
    x = 189,918,973,099.44/664,059.60
  6. Step 6: Final answer
    x = 285,996.88

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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.