Home / 823,516.20-1,136,441.20-460,939.96

Finding the Fourth Proportional to 823,516.20, 1,136,441.20 and 460,939.96

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Solution

The fourth proportional to 823,516.20, 1,136,441.20 and 460,939.96 is: 636,090.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,516.20 : 1,136,441.20 = 460,939.96 : x
  2. Step 2: Convert to fraction form
    823,516.20/1,136,441.20 = 460,939.96/x
  3. Step 3: Cross multiply
    823,516.20x = 1,136,441.20 × 460,939.96
  4. Step 4: Simplify right side
    823,516.20x = 523,831,161,270.35
  5. Step 5: Solve for x
    x = 523,831,161,270.35/823,516.20
  6. Step 6: Final answer
    x = 636,090.90

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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.