Finding the Fourth Proportional to 1,010,193.12, 1,394,189.28 and 580,471.92
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Solution
The fourth proportional to 1,010,193.12, 1,394,189.28 and 580,471.92 is: 801,121.80
Step by Step Solution
- Step 1: Write the proportion equation
1,010,193.12 : 1,394,189.28 = 580,471.92 : x - Step 2: Convert to fraction form
1,010,193.12/1,394,189.28 = 580,471.92/x - Step 3: Cross multiply
1,010,193.12x = 1,394,189.28 × 580,471.92 - Step 4: Simplify right side
1,010,193.12x = 809,287,728,205.02 - Step 5: Solve for x
x = 809,287,728,205.02/1,010,193.12 - Step 6: Final answer
x = 801,121.80
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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.