Home / 1,080,625.14-1,620,937.68-406,857.60

Finding the Fourth Proportional to 1,080,625.14, 1,620,937.68 and 406,857.60

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Solution

The fourth proportional to 1,080,625.14, 1,620,937.68 and 406,857.60 is: 610,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,625.14 : 1,620,937.68 = 406,857.60 : x
  2. Step 2: Convert to fraction form
    1,080,625.14/1,620,937.68 = 406,857.60/x
  3. Step 3: Cross multiply
    1,080,625.14x = 1,620,937.68 × 406,857.60
  4. Step 4: Simplify right side
    1,080,625.14x = 659,490,814,234.37
  5. Step 5: Solve for x
    x = 659,490,814,234.37/1,080,625.14
  6. Step 6: Final answer
    x = 610,286.39

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Double scale
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Similar ratio
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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.