Finding the Fourth Proportional to 1,268,549.14, 1,751,516.21 and 816,627.38
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Solution
The fourth proportional to 1,268,549.14, 1,751,516.21 and 816,627.38 is: 1,127,537.00
Step by Step Solution
- Step 1: Write the proportion equation
1,268,549.14 : 1,751,516.21 = 816,627.38 : x - Step 2: Convert to fraction form
1,268,549.14/1,751,516.21 = 816,627.38/x - Step 3: Cross multiply
1,268,549.14x = 1,751,516.21 × 816,627.38 - Step 4: Simplify right side
1,268,549.14x = 1,430,336,093,599.83 - Step 5: Solve for x
x = 1,430,336,093,599.83/1,268,549.14 - Step 6: Final answer
x = 1,127,537.00
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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.