Finding the Fourth Proportional to 1,217,640.44, 1,826,472.99 and 543,756.08
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Solution
The fourth proportional to 1,217,640.44, 1,826,472.99 and 543,756.08 is: 815,639.63
Step by Step Solution
- Step 1: Write the proportion equation
1,217,640.44 : 1,826,472.99 = 543,756.08 : x - Step 2: Convert to fraction form
1,217,640.44/1,826,472.99 = 543,756.08/x - Step 3: Cross multiply
1,217,640.44x = 1,826,472.99 × 543,756.08 - Step 4: Simplify right side
1,217,640.44x = 993,155,793,268.28 - Step 5: Solve for x
x = 993,155,793,268.28/1,217,640.44 - Step 6: Final answer
x = 815,639.63
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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.