Home / 731,661.80-1,097,512.13-199,193.72

Finding the Fourth Proportional to 731,661.80, 1,097,512.13 and 199,193.72

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Solution

The fourth proportional to 731,661.80, 1,097,512.13 and 199,193.72 is: 298,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,661.80 : 1,097,512.13 = 199,193.72 : x
  2. Step 2: Convert to fraction form
    731,661.80/1,097,512.13 = 199,193.72/x
  3. Step 3: Cross multiply
    731,661.80x = 1,097,512.13 × 199,193.72
  4. Step 4: Simplify right side
    731,661.80x = 218,617,518,930.25
  5. Step 5: Solve for x
    x = 218,617,518,930.25/731,661.80
  6. Step 6: Final answer
    x = 298,795.87

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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.