Finding the Fourth Proportional to 1,512,313.50, 2,086,999.11 and 833,235.42
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Solution
The fourth proportional to 1,512,313.50, 2,086,999.11 and 833,235.42 is: 1,149,868.45
Step by Step Solution
- Step 1: Write the proportion equation
1,512,313.50 : 2,086,999.11 = 833,235.42 : x - Step 2: Convert to fraction form
1,512,313.50/2,086,999.11 = 833,235.42/x - Step 3: Cross multiply
1,512,313.50x = 2,086,999.11 × 833,235.42 - Step 4: Simplify right side
1,512,313.50x = 1,738,961,579,960.48 - Step 5: Solve for x
x = 1,738,961,579,960.48/1,512,313.50 - Step 6: Final answer
x = 1,149,868.45
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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.