Finding the Fourth Proportional to 1,728,514.20, 2,591,993.70 and 663,202.20
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Solution
The fourth proportional to 1,728,514.20, 2,591,993.70 and 663,202.20 is: 994,504.95
Step by Step Solution
- Step 1: Write the proportion equation
1,728,514.20 : 2,591,993.70 = 663,202.20 : x - Step 2: Convert to fraction form
1,728,514.20/2,591,993.70 = 663,202.20/x - Step 3: Cross multiply
1,728,514.20x = 2,591,993.70 × 663,202.20 - Step 4: Simplify right side
1,728,514.20x = 1,719,015,924,226.14 - Step 5: Solve for x
x = 1,719,015,924,226.14/1,728,514.20 - Step 6: Final answer
x = 994,504.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.