Home / 1,015,183.72-1,401,100.50-585,378.28

Finding the Fourth Proportional to 1,015,183.72, 1,401,100.50 and 585,378.28

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Solution

The fourth proportional to 1,015,183.72, 1,401,100.50 and 585,378.28 is: 807,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,183.72 : 1,401,100.50 = 585,378.28 : x
  2. Step 2: Convert to fraction form
    1,015,183.72/1,401,100.50 = 585,378.28/x
  3. Step 3: Cross multiply
    1,015,183.72x = 1,401,100.50 × 585,378.28
  4. Step 4: Simplify right side
    1,015,183.72x = 820,173,800,797.14
  5. Step 5: Solve for x
    x = 820,173,800,797.14/1,015,183.72
  6. Step 6: Final answer
    x = 807,906.77

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.