Finding the Fourth Proportional to 1,019,633.52, 1,528,452.74 and 421,099
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Solution
The fourth proportional to 1,019,633.52, 1,528,452.74 and 421,099 is: 631,236.53
Step by Step Solution
- Step 1: Write the proportion equation
1,019,633.52 : 1,528,452.74 = 421,099 : x - Step 2: Convert to fraction form
1,019,633.52/1,528,452.74 = 421,099/x - Step 3: Cross multiply
1,019,633.52x = 1,528,452.74 × 421,099 - Step 4: Simplify right side
1,019,633.52x = 643,629,920,361.26 - Step 5: Solve for x
x = 643,629,920,361.26/1,019,633.52 - Step 6: Final answer
x = 631,236.53
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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.