Finding the Fourth Proportional to 1,395,519.96, 2,093,274.07 and 543,185.99
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Solution
The fourth proportional to 1,395,519.96, 2,093,274.07 and 543,185.99 is: 814,776.70
Step by Step Solution
- Step 1: Write the proportion equation
1,395,519.96 : 2,093,274.07 = 543,185.99 : x - Step 2: Convert to fraction form
1,395,519.96/2,093,274.07 = 543,185.99/x - Step 3: Cross multiply
1,395,519.96x = 2,093,274.07 × 543,185.99 - Step 4: Simplify right side
1,395,519.96x = 1,137,037,148,054.28 - Step 5: Solve for x
x = 1,137,037,148,054.28/1,395,519.96 - Step 6: Final answer
x = 814,776.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.