Finding the Fourth Proportional to 1,512,212.49, 2,086,852.11 and 833,148.99
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Solution
The fourth proportional to 1,512,212.49, 2,086,852.11 and 833,148.99 is: 1,149,744.98
Step by Step Solution
- Step 1: Write the proportion equation
1,512,212.49 : 2,086,852.11 = 833,148.99 : x - Step 2: Convert to fraction form
1,512,212.49/2,086,852.11 = 833,148.99/x - Step 3: Cross multiply
1,512,212.49x = 2,086,852.11 × 833,148.99 - Step 4: Simplify right side
1,512,212.49x = 1,738,658,724,601.56 - Step 5: Solve for x
x = 1,738,658,724,601.56/1,512,212.49 - Step 6: Final answer
x = 1,149,744.98
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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.