Finding the Fourth Proportional to 1,229,544.09, 1,696,694.04 and 678,266.17
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Solution
The fourth proportional to 1,229,544.09, 1,696,694.04 and 678,266.17 is: 935,964.94
Step by Step Solution
- Step 1: Write the proportion equation
1,229,544.09 : 1,696,694.04 = 678,266.17 : x - Step 2: Convert to fraction form
1,229,544.09/1,696,694.04 = 678,266.17/x - Step 3: Cross multiply
1,229,544.09x = 1,696,694.04 × 678,266.17 - Step 4: Simplify right side
1,229,544.09x = 1,150,810,163,455.40 - Step 5: Solve for x
x = 1,150,810,163,455.40/1,229,544.09 - Step 6: Final answer
x = 935,964.94
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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.