Home / 1,117,120.44-1,675,678.20-406,858.20

Finding the Fourth Proportional to 1,117,120.44, 1,675,678.20 and 406,858.20

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Solution

The fourth proportional to 1,117,120.44, 1,675,678.20 and 406,858.20 is: 610,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,120.44 : 1,675,678.20 = 406,858.20 : x
  2. Step 2: Convert to fraction form
    1,117,120.44/1,675,678.20 = 406,858.20/x
  3. Step 3: Cross multiply
    1,117,120.44x = 1,675,678.20 × 406,858.20
  4. Step 4: Simplify right side
    1,117,120.44x = 681,763,416,231.24
  5. Step 5: Solve for x
    x = 681,763,416,231.24/1,117,120.44
  6. Step 6: Final answer
    x = 610,286.40

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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.