Home / 1,630,351.05-2,246,183.50-1,261,560.20

Finding the Fourth Proportional to 1,630,351.05, 2,246,183.50 and 1,261,560.20

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Solution

The fourth proportional to 1,630,351.05, 2,246,183.50 and 1,261,560.20 is: 1,738,089.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630,351.05 : 2,246,183.50 = 1,261,560.20 : x
  2. Step 2: Convert to fraction form
    1,630,351.05/2,246,183.50 = 1,261,560.20/x
  3. Step 3: Cross multiply
    1,630,351.05x = 2,246,183.50 × 1,261,560.20
  4. Step 4: Simplify right side
    1,630,351.05x = 2,833,695,705,496.70
  5. Step 5: Solve for x
    x = 2,833,695,705,496.70/1,630,351.05
  6. Step 6: Final answer
    x = 1,738,089.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.