Home / 589,786.80-884,680.20-190,440.60

Finding the Fourth Proportional to 589,786.80, 884,680.20 and 190,440.60

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Solution

The fourth proportional to 589,786.80, 884,680.20 and 190,440.60 is: 285,660.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,786.80 : 884,680.20 = 190,440.60 : x
  2. Step 2: Convert to fraction form
    589,786.80/884,680.20 = 190,440.60/x
  3. Step 3: Cross multiply
    589,786.80x = 884,680.20 × 190,440.60
  4. Step 4: Simplify right side
    589,786.80x = 168,479,028,096.12
  5. Step 5: Solve for x
    x = 168,479,028,096.12/589,786.80
  6. Step 6: Final answer
    x = 285,660.90

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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.