Finding the Fourth Proportional to 1,229,539.58, 1,696,761.32 and 685,675.99
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Solution
The fourth proportional to 1,229,539.58, 1,696,761.32 and 685,675.99 is: 946,231.03
Step by Step Solution
- Step 1: Write the proportion equation
1,229,539.58 : 1,696,761.32 = 685,675.99 : x - Step 2: Convert to fraction form
1,229,539.58/1,696,761.32 = 685,675.99/x - Step 3: Cross multiply
1,229,539.58x = 1,696,761.32 × 685,675.99 - Step 4: Simplify right side
1,229,539.58x = 1,163,428,497,884.71 - Step 5: Solve for x
x = 1,163,428,497,884.71/1,229,539.58 - Step 6: Final answer
x = 946,231.03
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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.