Finding the Fourth Proportional to 1,206,168.21, 1,664,662.11 and 689,850.41
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Solution
The fourth proportional to 1,206,168.21, 1,664,662.11 and 689,850.41 is: 952,079.35
Step by Step Solution
- Step 1: Write the proportion equation
1,206,168.21 : 1,664,662.11 = 689,850.41 : x - Step 2: Convert to fraction form
1,206,168.21/1,664,662.11 = 689,850.41/x - Step 3: Cross multiply
1,206,168.21x = 1,664,662.11 × 689,850.41 - Step 4: Simplify right side
1,206,168.21x = 1,148,367,843,256.62 - Step 5: Solve for x
x = 1,148,367,843,256.62/1,206,168.21 - Step 6: Final answer
x = 952,079.35
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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.