Finding the Fourth Proportional to 1,511,194.32, 2,085,367.68 and 866,583.36
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Solution
The fourth proportional to 1,511,194.32, 2,085,367.68 and 866,583.36 is: 1,195,838.89
Step by Step Solution
- Step 1: Write the proportion equation
1,511,194.32 : 2,085,367.68 = 866,583.36 : x - Step 2: Convert to fraction form
1,511,194.32/2,085,367.68 = 866,583.36/x - Step 3: Cross multiply
1,511,194.32x = 2,085,367.68 × 866,583.36 - Step 4: Simplify right side
1,511,194.32x = 1,807,144,930,969.80 - Step 5: Solve for x
x = 1,807,144,930,969.80/1,511,194.32 - Step 6: Final answer
x = 1,195,838.89
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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.