Home / 823,396.28-1,136,336.94-460,812.74

Finding the Fourth Proportional to 823,396.28, 1,136,336.94 and 460,812.74

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Solution

The fourth proportional to 823,396.28, 1,136,336.94 and 460,812.74 is: 635,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,396.28 : 1,136,336.94 = 460,812.74 : x
  2. Step 2: Convert to fraction form
    823,396.28/1,136,336.94 = 460,812.74/x
  3. Step 3: Cross multiply
    823,396.28x = 1,136,336.94 × 460,812.74
  4. Step 4: Simplify right side
    823,396.28x = 523,638,538,884.62
  5. Step 5: Solve for x
    x = 523,638,538,884.62/823,396.28
  6. Step 6: Final answer
    x = 635,949.60

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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.