Finding the Fourth Proportional to 744,352.05, 1,116,528.08 and 681,366.45
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Solution
The fourth proportional to 744,352.05, 1,116,528.08 and 681,366.45 is: 1,022,049.68
Step by Step Solution
- Step 1: Write the proportion equation
744,352.05 : 1,116,528.08 = 681,366.45 : x - Step 2: Convert to fraction form
744,352.05/1,116,528.08 = 681,366.45/x - Step 3: Cross multiply
744,352.05x = 1,116,528.08 × 681,366.45 - Step 4: Simplify right side
744,352.05x = 760,764,770,788.08 - Step 5: Solve for x
x = 760,764,770,788.08/744,352.05 - Step 6: Final answer
x = 1,022,049.68
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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.