Home / 731,534.69-1,097,191.17-199,097.21

Finding the Fourth Proportional to 731,534.69, 1,097,191.17 and 199,097.21

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Solution

The fourth proportional to 731,534.69, 1,097,191.17 and 199,097.21 is: 298,615.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,534.69 : 1,097,191.17 = 199,097.21 : x
  2. Step 2: Convert to fraction form
    731,534.69/1,097,191.17 = 199,097.21/x
  3. Step 3: Cross multiply
    731,534.69x = 1,097,191.17 × 199,097.21
  4. Step 4: Simplify right side
    731,534.69x = 218,447,703,526.61
  5. Step 5: Solve for x
    x = 218,447,703,526.61/731,534.69
  6. Step 6: Final answer
    x = 298,615.64

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Double scale
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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.