Finding the Fourth Proportional to 1,235,760.18, 1,705,257.81 and 691,770.66
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Solution
The fourth proportional to 1,235,760.18, 1,705,257.81 and 691,770.66 is: 954,592.44
Step by Step Solution
- Step 1: Write the proportion equation
1,235,760.18 : 1,705,257.81 = 691,770.66 : x - Step 2: Convert to fraction form
1,235,760.18/1,705,257.81 = 691,770.66/x - Step 3: Cross multiply
1,235,760.18x = 1,705,257.81 × 691,770.66 - Step 4: Simplify right side
1,235,760.18x = 1,179,647,320,693.85 - Step 5: Solve for x
x = 1,179,647,320,693.85/1,235,760.18 - Step 6: Final answer
x = 954,592.44
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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.