Home / 669,451.20-1,004,170.40-164,014.40

Finding the Fourth Proportional to 669,451.20, 1,004,170.40 and 164,014.40

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Solution

The fourth proportional to 669,451.20, 1,004,170.40 and 164,014.40 is: 246,020.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,451.20 : 1,004,170.40 = 164,014.40 : x
  2. Step 2: Convert to fraction form
    669,451.20/1,004,170.40 = 164,014.40/x
  3. Step 3: Cross multiply
    669,451.20x = 1,004,170.40 × 164,014.40
  4. Step 4: Simplify right side
    669,451.20x = 164,698,405,653.76
  5. Step 5: Solve for x
    x = 164,698,405,653.76/669,451.20
  6. Step 6: Final answer
    x = 246,020.03

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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.