Finding the Fourth Proportional to 1,511,770.05, 2,086,245.52 and 823,439.77
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Solution
The fourth proportional to 1,511,770.05, 2,086,245.52 and 823,439.77 is: 1,136,348.43
Step by Step Solution
- Step 1: Write the proportion equation
1,511,770.05 : 2,086,245.52 = 823,439.77 : x - Step 2: Convert to fraction form
1,511,770.05/2,086,245.52 = 823,439.77/x - Step 3: Cross multiply
1,511,770.05x = 2,086,245.52 × 823,439.77 - Step 4: Simplify right side
1,511,770.05x = 1,717,897,523,878.12 - Step 5: Solve for x
x = 1,717,897,523,878.12/1,511,770.05 - Step 6: Final answer
x = 1,136,348.43
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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.