Home / 629,598.23-868,820.21-343,112.16

Finding the Fourth Proportional to 629,598.23, 868,820.21 and 343,112.16

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Solution

The fourth proportional to 629,598.23, 868,820.21 and 343,112.16 is: 473,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,598.23 : 868,820.21 = 343,112.16 : x
  2. Step 2: Convert to fraction form
    629,598.23/868,820.21 = 343,112.16/x
  3. Step 3: Cross multiply
    629,598.23x = 868,820.21 × 343,112.16
  4. Step 4: Simplify right side
    629,598.23x = 298,102,781,733.94
  5. Step 5: Solve for x
    x = 298,102,781,733.94/629,598.23
  6. Step 6: Final answer
    x = 473,480.97

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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.