Finding the Fourth Proportional to 1,211,934.26, 1,672,394.13 and 668,041.94
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Solution
The fourth proportional to 1,211,934.26, 1,672,394.13 and 668,041.94 is: 921,856.45
Step by Step Solution
- Step 1: Write the proportion equation
1,211,934.26 : 1,672,394.13 = 668,041.94 : x - Step 2: Convert to fraction form
1,211,934.26/1,672,394.13 = 668,041.94/x - Step 3: Cross multiply
1,211,934.26x = 1,672,394.13 × 668,041.94 - Step 4: Simplify right side
1,211,934.26x = 1,117,229,419,049.81 - Step 5: Solve for x
x = 1,117,229,419,049.81/1,211,934.26 - Step 6: Final answer
x = 921,856.45
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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.