Home / 828,193.20-1,242,301.68-545,692.74

Finding the Fourth Proportional to 828,193.20, 1,242,301.68 and 545,692.74

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Solution

The fourth proportional to 828,193.20, 1,242,301.68 and 545,692.74 is: 818,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,193.20 : 1,242,301.68 = 545,692.74 : x
  2. Step 2: Convert to fraction form
    828,193.20/1,242,301.68 = 545,692.74/x
  3. Step 3: Cross multiply
    828,193.20x = 1,242,301.68 × 545,692.74
  4. Step 4: Simplify right side
    828,193.20x = 677,915,007,665.80
  5. Step 5: Solve for x
    x = 677,915,007,665.80/828,193.20
  6. Step 6: Final answer
    x = 818,546.94

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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.