Finding the Fourth Proportional to 1,227,826.49, 1,694,175.64 and 683,948.75
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Solution
The fourth proportional to 1,227,826.49, 1,694,175.64 and 683,948.75 is: 943,723.99
Step by Step Solution
- Step 1: Write the proportion equation
1,227,826.49 : 1,694,175.64 = 683,948.75 : x - Step 2: Convert to fraction form
1,227,826.49/1,694,175.64 = 683,948.75/x - Step 3: Cross multiply
1,227,826.49x = 1,694,175.64 × 683,948.75 - Step 4: Simplify right side
1,227,826.49x = 1,158,729,311,258.45 - Step 5: Solve for x
x = 1,158,729,311,258.45/1,227,826.49 - Step 6: Final answer
x = 943,723.99
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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.