Finding the Fourth Proportional to 1,112,930.37, 1,535,843.97 and 629,485.11
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Solution
The fourth proportional to 1,112,930.37, 1,535,843.97 and 629,485.11 is: 868,689.49
Step by Step Solution
- Step 1: Write the proportion equation
1,112,930.37 : 1,535,843.97 = 629,485.11 : x - Step 2: Convert to fraction form
1,112,930.37/1,535,843.97 = 629,485.11/x - Step 3: Cross multiply
1,112,930.37x = 1,535,843.97 × 629,485.11 - Step 4: Simplify right side
1,112,930.37x = 966,790,910,398.29 - Step 5: Solve for x
x = 966,790,910,398.29/1,112,930.37 - Step 6: Final answer
x = 868,689.49
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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.