Finding the Fourth Proportional to 1,259,192.34, 1,737,634.73 and 686,220.21
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Solution
The fourth proportional to 1,259,192.34, 1,737,634.73 and 686,220.21 is: 946,956.26
Step by Step Solution
- Step 1: Write the proportion equation
1,259,192.34 : 1,737,634.73 = 686,220.21 : x - Step 2: Convert to fraction form
1,259,192.34/1,737,634.73 = 686,220.21/x - Step 3: Cross multiply
1,259,192.34x = 1,737,634.73 × 686,220.21 - Step 4: Simplify right side
1,259,192.34x = 1,192,400,065,892.79 - Step 5: Solve for x
x = 1,192,400,065,892.79/1,259,192.34 - Step 6: Final answer
x = 946,956.26
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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.