Home / 1,112,098.80-1,668,148.36-270,650.56

Finding the Fourth Proportional to 1,112,098.80, 1,668,148.36 and 270,650.56

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Solution

The fourth proportional to 1,112,098.80, 1,668,148.36 and 270,650.56 is: 405,975.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,098.80 : 1,668,148.36 = 270,650.56 : x
  2. Step 2: Convert to fraction form
    1,112,098.80/1,668,148.36 = 270,650.56/x
  3. Step 3: Cross multiply
    1,112,098.80x = 1,668,148.36 × 270,650.56
  4. Step 4: Simplify right side
    1,112,098.80x = 451,485,287,797.08
  5. Step 5: Solve for x
    x = 451,485,287,797.08/1,112,098.80
  6. Step 6: Final answer
    x = 405,975.88

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Half scale
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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.