Finding the Fourth Proportional to 1,198,266.57, 1,653,619.11 and 681,995.14
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Solution
The fourth proportional to 1,198,266.57, 1,653,619.11 and 681,995.14 is: 941,159.69
Step by Step Solution
- Step 1: Write the proportion equation
1,198,266.57 : 1,653,619.11 = 681,995.14 : x - Step 2: Convert to fraction form
1,198,266.57/1,653,619.11 = 681,995.14/x - Step 3: Cross multiply
1,198,266.57x = 1,653,619.11 × 681,995.14 - Step 4: Simplify right side
1,198,266.57x = 1,127,760,196,431.13 - Step 5: Solve for x
x = 1,127,760,196,431.13/1,198,266.57 - Step 6: Final answer
x = 941,159.69
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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.