Home / 5,152,183.20-7,728,274.80-1,313,998.20

Finding the Fourth Proportional to 5,152,183.20, 7,728,274.80 and 1,313,998.20

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Solution

The fourth proportional to 5,152,183.20, 7,728,274.80 and 1,313,998.20 is: 1,970,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,152,183.20 : 7,728,274.80 = 1,313,998.20 : x
  2. Step 2: Convert to fraction form
    5,152,183.20/7,728,274.80 = 1,313,998.20/x
  3. Step 3: Cross multiply
    5,152,183.20x = 7,728,274.80 × 1,313,998.20
  4. Step 4: Simplify right side
    5,152,183.20x = 10,154,939,176,305.36
  5. Step 5: Solve for x
    x = 10,154,939,176,305.36/5,152,183.20
  6. Step 6: Final answer
    x = 1,970,997.30

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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.