Home / 341,942.10-511,991.55-247,938.90

Finding the Fourth Proportional to 341,942.10, 511,991.55 and 247,938.90

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Solution

The fourth proportional to 341,942.10, 511,991.55 and 247,938.90 is: 371,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,942.10 : 511,991.55 = 247,938.90 : x
  2. Step 2: Convert to fraction form
    341,942.10/511,991.55 = 247,938.90/x
  3. Step 3: Cross multiply
    341,942.10x = 511,991.55 × 247,938.90
  4. Step 4: Simplify right side
    341,942.10x = 126,942,621,716.30
  5. Step 5: Solve for x
    x = 126,942,621,716.30/341,942.10
  6. Step 6: Final answer
    x = 371,240.11

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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.