Home / 631,105.62-945,957.16-480,850.55

Finding the Fourth Proportional to 631,105.62, 945,957.16 and 480,850.55

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Solution

The fourth proportional to 631,105.62, 945,957.16 and 480,850.55 is: 720,741.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,105.62 : 945,957.16 = 480,850.55 : x
  2. Step 2: Convert to fraction form
    631,105.62/945,957.16 = 480,850.55/x
  3. Step 3: Cross multiply
    631,105.62x = 945,957.16 × 480,850.55
  4. Step 4: Simplify right side
    631,105.62x = 454,864,020,662.44
  5. Step 5: Solve for x
    x = 454,864,020,662.44/631,105.62
  6. Step 6: Final answer
    x = 720,741.51

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Double scale
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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.