Finding the Fourth Proportional to 1,205,863.96, 1,806,431.19 and 699,361.14
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Solution
The fourth proportional to 1,205,863.96, 1,806,431.19 and 699,361.14 is: 1,047,670.23
Step by Step Solution
- Step 1: Write the proportion equation
1,205,863.96 : 1,806,431.19 = 699,361.14 : x - Step 2: Convert to fraction form
1,205,863.96/1,806,431.19 = 699,361.14/x - Step 3: Cross multiply
1,205,863.96x = 1,806,431.19 × 699,361.14 - Step 4: Simplify right side
1,205,863.96x = 1,263,347,776,261.15 - Step 5: Solve for x
x = 1,263,347,776,261.15/1,205,863.96 - Step 6: Final answer
x = 1,047,670.23
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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.