Home / 807,769.80-1,114,676.84-445,192.55

Finding the Fourth Proportional to 807,769.80, 1,114,676.84 and 445,192.55

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Solution

The fourth proportional to 807,769.80, 1,114,676.84 and 445,192.55 is: 614,340.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,769.80 : 1,114,676.84 = 445,192.55 : x
  2. Step 2: Convert to fraction form
    807,769.80/1,114,676.84 = 445,192.55/x
  3. Step 3: Cross multiply
    807,769.80x = 1,114,676.84 × 445,192.55
  4. Step 4: Simplify right side
    807,769.80x = 496,245,817,026.20
  5. Step 5: Solve for x
    x = 496,245,817,026.20/807,769.80
  6. Step 6: Final answer
    x = 614,340.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.