Home / 823,400.28-1,136,342.46-460,816.74

Finding the Fourth Proportional to 823,400.28, 1,136,342.46 and 460,816.74

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Solution

The fourth proportional to 823,400.28, 1,136,342.46 and 460,816.74 is: 635,955.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,400.28 : 1,136,342.46 = 460,816.74 : x
  2. Step 2: Convert to fraction form
    823,400.28/1,136,342.46 = 460,816.74/x
  3. Step 3: Cross multiply
    823,400.28x = 1,136,342.46 × 460,816.74
  4. Step 4: Simplify right side
    823,400.28x = 523,645,627,940.78
  5. Step 5: Solve for x
    x = 523,645,627,940.78/823,400.28
  6. Step 6: Final answer
    x = 635,955.12

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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.