Finding the Fourth Proportional to 1,259,183.25, 1,737,622.17 and 686,211.12
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Solution
The fourth proportional to 1,259,183.25, 1,737,622.17 and 686,211.12 is: 946,943.71
Step by Step Solution
- Step 1: Write the proportion equation
1,259,183.25 : 1,737,622.17 = 686,211.12 : x - Step 2: Convert to fraction form
1,259,183.25/1,737,622.17 = 686,211.12/x - Step 3: Cross multiply
1,259,183.25x = 1,737,622.17 × 686,211.12 - Step 4: Simplify right side
1,259,183.25x = 1,192,375,655,412.53 - Step 5: Solve for x
x = 1,192,375,655,412.53/1,259,183.25 - Step 6: Final answer
x = 946,943.71
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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.