Finding the Fourth Proportional to 1,418,638.96, 1,957,711.68 and 806,791.92
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Solution
The fourth proportional to 1,418,638.96, 1,957,711.68 and 806,791.92 is: 1,113,367.11
Step by Step Solution
- Step 1: Write the proportion equation
1,418,638.96 : 1,957,711.68 = 806,791.92 : x - Step 2: Convert to fraction form
1,418,638.96/1,957,711.68 = 806,791.92/x - Step 3: Cross multiply
1,418,638.96x = 1,957,711.68 × 806,791.92 - Step 4: Simplify right side
1,418,638.96x = 1,579,465,965,113.63 - Step 5: Solve for x
x = 1,579,465,965,113.63/1,418,638.96 - Step 6: Final answer
x = 1,113,367.11
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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.