Finding the Fourth Proportional to 1,744,654.28, 2,407,267.15 and 1,019,361.92
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Solution
The fourth proportional to 1,744,654.28, 2,407,267.15 and 1,019,361.92 is: 1,406,511.58
Step by Step Solution
- Step 1: Write the proportion equation
1,744,654.28 : 2,407,267.15 = 1,019,361.92 : x - Step 2: Convert to fraction form
1,744,654.28/2,407,267.15 = 1,019,361.92/x - Step 3: Cross multiply
1,744,654.28x = 2,407,267.15 × 1,019,361.92 - Step 4: Simplify right side
1,744,654.28x = 2,453,876,449,392.19 - Step 5: Solve for x
x = 2,453,876,449,392.19/1,744,654.28 - Step 6: Final answer
x = 1,406,511.58
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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.