Finding the Fourth Proportional to 1,235,563.53, 1,705,078.52 and 691,700.37
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Solution
The fourth proportional to 1,235,563.53, 1,705,078.52 and 691,700.37 is: 954,546.99
Step by Step Solution
- Step 1: Write the proportion equation
1,235,563.53 : 1,705,078.52 = 691,700.37 : x - Step 2: Convert to fraction form
1,235,563.53/1,705,078.52 = 691,700.37/x - Step 3: Cross multiply
1,235,563.53x = 1,705,078.52 × 691,700.37 - Step 4: Simplify right side
1,235,563.53x = 1,179,403,443,163.05 - Step 5: Solve for x
x = 1,179,403,443,163.05/1,235,563.53 - Step 6: Final answer
x = 954,546.99
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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.