Home / 823,102.57-1,135,925.54-460,504.72

Finding the Fourth Proportional to 823,102.57, 1,135,925.54 and 460,504.72

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Solution

The fourth proportional to 823,102.57, 1,135,925.54 and 460,504.72 is: 635,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,102.57 : 1,135,925.54 = 460,504.72 : x
  2. Step 2: Convert to fraction form
    823,102.57/1,135,925.54 = 460,504.72/x
  3. Step 3: Cross multiply
    823,102.57x = 1,135,925.54 × 460,504.72
  4. Step 4: Simplify right side
    823,102.57x = 523,099,072,738.55
  5. Step 5: Solve for x
    x = 523,099,072,738.55/823,102.57
  6. Step 6: Final answer
    x = 635,521.13

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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.