Home / 874,824.44-1,312,236.66-209,976.44

Finding the Fourth Proportional to 874,824.44, 1,312,236.66 and 209,976.44

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Solution

The fourth proportional to 874,824.44, 1,312,236.66 and 209,976.44 is: 314,964.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,824.44 : 1,312,236.66 = 209,976.44 : x
  2. Step 2: Convert to fraction form
    874,824.44/1,312,236.66 = 209,976.44/x
  3. Step 3: Cross multiply
    874,824.44x = 1,312,236.66 × 209,976.44
  4. Step 4: Simplify right side
    874,824.44x = 275,538,782,304.29
  5. Step 5: Solve for x
    x = 275,538,782,304.29/874,824.44
  6. Step 6: Final answer
    x = 314,964.66

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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.