Finding the Fourth Proportional to 1,161,839.33, 1,603,511.55 and 836,229.05
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Solution
The fourth proportional to 1,161,839.33, 1,603,511.55 and 836,229.05 is: 1,154,120.80
Step by Step Solution
- Step 1: Write the proportion equation
1,161,839.33 : 1,603,511.55 = 836,229.05 : x - Step 2: Convert to fraction form
1,161,839.33/1,603,511.55 = 836,229.05/x - Step 3: Cross multiply
1,161,839.33x = 1,603,511.55 × 836,229.05 - Step 4: Simplify right side
1,161,839.33x = 1,340,902,932,102.97 - Step 5: Solve for x
x = 1,340,902,932,102.97/1,161,839.33 - Step 6: Final answer
x = 1,154,120.80
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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.