Finding the Fourth Proportional to 1,236,235.84, 1,705,890.72 and 699,691.84
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Solution
The fourth proportional to 1,236,235.84, 1,705,890.72 and 699,691.84 is: 965,509.80
Step by Step Solution
- Step 1: Write the proportion equation
1,236,235.84 : 1,705,890.72 = 699,691.84 : x - Step 2: Convert to fraction form
1,236,235.84/1,705,890.72 = 699,691.84/x - Step 3: Cross multiply
1,236,235.84x = 1,705,890.72 × 699,691.84 - Step 4: Simplify right side
1,236,235.84x = 1,193,597,816,715.72 - Step 5: Solve for x
x = 1,193,597,816,715.72/1,236,235.84 - Step 6: Final answer
x = 965,509.80
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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.