Home / 731,195.53-1,096,790.22-198,715.03

Finding the Fourth Proportional to 731,195.53, 1,096,790.22 and 198,715.03

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Solution

The fourth proportional to 731,195.53, 1,096,790.22 and 198,715.03 is: 298,071.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,195.53 : 1,096,790.22 = 198,715.03 : x
  2. Step 2: Convert to fraction form
    731,195.53/1,096,790.22 = 198,715.03/x
  3. Step 3: Cross multiply
    731,195.53x = 1,096,790.22 × 198,715.03
  4. Step 4: Simplify right side
    731,195.53x = 217,948,698,729.03
  5. Step 5: Solve for x
    x = 217,948,698,729.03/731,195.53
  6. Step 6: Final answer
    x = 298,071.71

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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.