Home / 731,274.89-1,097,049.65-331,943.76

Finding the Fourth Proportional to 731,274.89, 1,097,049.65 and 331,943.76

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Solution

The fourth proportional to 731,274.89, 1,097,049.65 and 331,943.76 is: 497,977.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,274.89 : 1,097,049.65 = 331,943.76 : x
  2. Step 2: Convert to fraction form
    731,274.89/1,097,049.65 = 331,943.76/x
  3. Step 3: Cross multiply
    731,274.89x = 1,097,049.65 × 331,943.76
  4. Step 4: Simplify right side
    731,274.89x = 364,158,784,067.97
  5. Step 5: Solve for x
    x = 364,158,784,067.97/731,274.89
  6. Step 6: Final answer
    x = 497,977.97

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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.