Finding the Fourth Proportional to 1,082,879.84, 1,616,569.48 and 941,201.12
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Solution
The fourth proportional to 1,082,879.84, 1,616,569.48 and 941,201.12 is: 1,405,065.41
Step by Step Solution
- Step 1: Write the proportion equation
1,082,879.84 : 1,616,569.48 = 941,201.12 : x - Step 2: Convert to fraction form
1,082,879.84/1,616,569.48 = 941,201.12/x - Step 3: Cross multiply
1,082,879.84x = 1,616,569.48 × 941,201.12 - Step 4: Simplify right side
1,082,879.84x = 1,521,517,005,133.82 - Step 5: Solve for x
x = 1,521,517,005,133.82/1,082,879.84 - Step 6: Final answer
x = 1,405,065.41
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.