Home / 946,761.40-1,419,704.70-414,008.20

Finding the Fourth Proportional to 946,761.40, 1,419,704.70 and 414,008.20

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Solution

The fourth proportional to 946,761.40, 1,419,704.70 and 414,008.20 is: 620,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,761.40 : 1,419,704.70 = 414,008.20 : x
  2. Step 2: Convert to fraction form
    946,761.40/1,419,704.70 = 414,008.20/x
  3. Step 3: Cross multiply
    946,761.40x = 1,419,704.70 × 414,008.20
  4. Step 4: Simplify right side
    946,761.40x = 587,769,387,378.54
  5. Step 5: Solve for x
    x = 587,769,387,378.54/946,761.40
  6. Step 6: Final answer
    x = 620,821.03

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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.