Home / 810,704.70-1,118,772.75-443,183.46

Finding the Fourth Proportional to 810,704.70, 1,118,772.75 and 443,183.46

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Solution

The fourth proportional to 810,704.70, 1,118,772.75 and 443,183.46 is: 611,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,704.70 : 1,118,772.75 = 443,183.46 : x
  2. Step 2: Convert to fraction form
    810,704.70/1,118,772.75 = 443,183.46/x
  3. Step 3: Cross multiply
    810,704.70x = 1,118,772.75 × 443,183.46
  4. Step 4: Simplify right side
    810,704.70x = 495,821,578,298.72
  5. Step 5: Solve for x
    x = 495,821,578,298.72/810,704.70
  6. Step 6: Final answer
    x = 611,593.32

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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.