Home / 851,933.60-1,280,524.80-804,694.40

Finding the Fourth Proportional to 851,933.60, 1,280,524.80 and 804,694.40

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Solution

The fourth proportional to 851,933.60, 1,280,524.80 and 804,694.40 is: 1,209,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,933.60 : 1,280,524.80 = 804,694.40 : x
  2. Step 2: Convert to fraction form
    851,933.60/1,280,524.80 = 804,694.40/x
  3. Step 3: Cross multiply
    851,933.60x = 1,280,524.80 × 804,694.40
  4. Step 4: Simplify right side
    851,933.60x = 1,030,431,135,621.12
  5. Step 5: Solve for x
    x = 1,030,431,135,621.12/851,933.60
  6. Step 6: Final answer
    x = 1,209,520.48

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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.