Home / 731,534.60-1,097,191.03-199,097.12

Finding the Fourth Proportional to 731,534.60, 1,097,191.03 and 199,097.12

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Solution

The fourth proportional to 731,534.60, 1,097,191.03 and 199,097.12 is: 298,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,534.60 : 1,097,191.03 = 199,097.12 : x
  2. Step 2: Convert to fraction form
    731,534.60/1,097,191.03 = 199,097.12/x
  3. Step 3: Cross multiply
    731,534.60x = 1,097,191.03 × 199,097.12
  4. Step 4: Simplify right side
    731,534.60x = 218,447,568,179.14
  5. Step 5: Solve for x
    x = 218,447,568,179.14/731,534.60
  6. Step 6: Final answer
    x = 298,615.50

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Double scale
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Similar ratio
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1.5x scale

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.