Finding the Fourth Proportional to 1,419,544.11, 1,958,853.20 and 807,534.03
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Solution
The fourth proportional to 1,419,544.11, 1,958,853.20 and 807,534.03 is: 1,114,330.02
Step by Step Solution
- Step 1: Write the proportion equation
1,419,544.11 : 1,958,853.20 = 807,534.03 : x - Step 2: Convert to fraction form
1,419,544.11/1,958,853.20 = 807,534.03/x - Step 3: Cross multiply
1,419,544.11x = 1,958,853.20 × 807,534.03 - Step 4: Simplify right side
1,419,544.11x = 1,581,840,614,736.73 - Step 5: Solve for x
x = 1,581,840,614,736.73/1,419,544.11 - Step 6: Final answer
x = 1,114,330.02
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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.