Home / 681,764.04-1,022,646.03-208,449.36

Finding the Fourth Proportional to 681,764.04, 1,022,646.03 and 208,449.36

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Solution

The fourth proportional to 681,764.04, 1,022,646.03 and 208,449.36 is: 312,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,764.04 : 1,022,646.03 = 208,449.36 : x
  2. Step 2: Convert to fraction form
    681,764.04/1,022,646.03 = 208,449.36/x
  3. Step 3: Cross multiply
    681,764.04x = 1,022,646.03 × 208,449.36
  4. Step 4: Simplify right side
    681,764.04x = 213,169,910,460.04
  5. Step 5: Solve for x
    x = 213,169,910,460.04/681,764.04
  6. Step 6: Final answer
    x = 312,674.03

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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.