Finding the Fourth Proportional to 1,099,062.26, 1,517,446.11 and 686,227.68
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Solution
The fourth proportional to 1,099,062.26, 1,517,446.11 and 686,227.68 is: 947,456.36
Step by Step Solution
- Step 1: Write the proportion equation
1,099,062.26 : 1,517,446.11 = 686,227.68 : x - Step 2: Convert to fraction form
1,099,062.26/1,517,446.11 = 686,227.68/x - Step 3: Cross multiply
1,099,062.26x = 1,517,446.11 × 686,227.68 - Step 4: Simplify right side
1,099,062.26x = 1,041,313,525,668.37 - Step 5: Solve for x
x = 1,041,313,525,668.37/1,099,062.26 - Step 6: Final answer
x = 947,456.36
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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.