Finding the Fourth Proportional to 1,511,343.36, 2,085,586.56 and 866,301.12
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Solution
The fourth proportional to 1,511,343.36, 2,085,586.56 and 866,301.12 is: 1,195,456.98
Step by Step Solution
- Step 1: Write the proportion equation
1,511,343.36 : 2,085,586.56 = 866,301.12 : x - Step 2: Convert to fraction form
1,511,343.36/2,085,586.56 = 866,301.12/x - Step 3: Cross multiply
1,511,343.36x = 2,085,586.56 × 866,301.12 - Step 4: Simplify right side
1,511,343.36x = 1,806,745,972,784.95 - Step 5: Solve for x
x = 1,806,745,972,784.95/1,511,343.36 - Step 6: Final answer
x = 1,195,456.98
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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.