Finding the Fourth Proportional to 1,211,932.26, 1,672,391.37 and 668,039.94
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Solution
The fourth proportional to 1,211,932.26, 1,672,391.37 and 668,039.94 is: 921,853.69
Step by Step Solution
- Step 1: Write the proportion equation
1,211,932.26 : 1,672,391.37 = 668,039.94 : x - Step 2: Convert to fraction form
1,211,932.26/1,672,391.37 = 668,039.94/x - Step 3: Cross multiply
1,211,932.26x = 1,672,391.37 × 668,039.94 - Step 4: Simplify right side
1,211,932.26x = 1,117,224,230,471.32 - Step 5: Solve for x
x = 1,117,224,230,471.32/1,211,932.26 - Step 6: Final answer
x = 921,853.69
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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.