Home / 664,459.60-996,654.57-191,126.38

Finding the Fourth Proportional to 664,459.60, 996,654.57 and 191,126.38

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Solution

The fourth proportional to 664,459.60, 996,654.57 and 191,126.38 is: 286,679.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,459.60 : 996,654.57 = 191,126.38 : x
  2. Step 2: Convert to fraction form
    664,459.60/996,654.57 = 191,126.38/x
  3. Step 3: Cross multiply
    664,459.60x = 996,654.57 × 191,126.38
  4. Step 4: Simplify right side
    664,459.60x = 190,486,980,074.56
  5. Step 5: Solve for x
    x = 190,486,980,074.56/664,459.60
  6. Step 6: Final answer
    x = 286,679.55

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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.