Home / 669,941.20-1,004,911.80-196,674.40

Finding the Fourth Proportional to 669,941.20, 1,004,911.80 and 196,674.40

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Solution

The fourth proportional to 669,941.20, 1,004,911.80 and 196,674.40 is: 295,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,941.20 : 1,004,911.80 = 196,674.40 : x
  2. Step 2: Convert to fraction form
    669,941.20/1,004,911.80 = 196,674.40/x
  3. Step 3: Cross multiply
    669,941.20x = 1,004,911.80 × 196,674.40
  4. Step 4: Simplify right side
    669,941.20x = 197,640,425,317.92
  5. Step 5: Solve for x
    x = 197,640,425,317.92/669,941.20
  6. Step 6: Final answer
    x = 295,011.60

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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.