Finding the Fourth Proportional to 1,511,998.99, 2,086,557.66 and 832,935.49
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Solution
The fourth proportional to 1,511,998.99, 2,086,557.66 and 832,935.49 is: 1,149,450.45
Step by Step Solution
- Step 1: Write the proportion equation
1,511,998.99 : 2,086,557.66 = 832,935.49 : x - Step 2: Convert to fraction form
1,511,998.99/2,086,557.66 = 832,935.49/x - Step 3: Cross multiply
1,511,998.99x = 2,086,557.66 × 832,935.49 - Step 4: Simplify right side
1,511,998.99x = 1,737,967,921,728.96 - Step 5: Solve for x
x = 1,737,967,921,728.96/1,511,998.99 - Step 6: Final answer
x = 1,149,450.45
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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.