Finding the Fourth Proportional to 1,991,685.12, 2,987,163.18 and 532,750.40
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Solution
The fourth proportional to 1,991,685.12, 2,987,163.18 and 532,750.40 is: 799,028.10
Step by Step Solution
- Step 1: Write the proportion equation
1,991,685.12 : 2,987,163.18 = 532,750.40 : x - Step 2: Convert to fraction form
1,991,685.12/2,987,163.18 = 532,750.40/x - Step 3: Cross multiply
1,991,685.12x = 2,987,163.18 × 532,750.40 - Step 4: Simplify right side
1,991,685.12x = 1,591,412,379,010.27 - Step 5: Solve for x
x = 1,591,412,379,010.27/1,991,685.12 - Step 6: Final answer
x = 799,028.10
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.