Home / 823,401.78-1,136,344.53-460,818.24

Finding the Fourth Proportional to 823,401.78, 1,136,344.53 and 460,818.24

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Solution

The fourth proportional to 823,401.78, 1,136,344.53 and 460,818.24 is: 635,957.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,401.78 : 1,136,344.53 = 460,818.24 : x
  2. Step 2: Convert to fraction form
    823,401.78/1,136,344.53 = 460,818.24/x
  3. Step 3: Cross multiply
    823,401.78x = 1,136,344.53 × 460,818.24
  4. Step 4: Simplify right side
    823,401.78x = 523,648,286,348.23
  5. Step 5: Solve for x
    x = 523,648,286,348.23/823,401.78
  6. Step 6: Final answer
    x = 635,957.19

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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.