Finding the Fourth Proportional to 1,331,290.24, 1,836,966 and 758,341.60
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Solution
The fourth proportional to 1,331,290.24, 1,836,966 and 758,341.60 is: 1,046,389.20
Step by Step Solution
- Step 1: Write the proportion equation
1,331,290.24 : 1,836,966 = 758,341.60 : x - Step 2: Convert to fraction form
1,331,290.24/1,836,966 = 758,341.60/x - Step 3: Cross multiply
1,331,290.24x = 1,836,966 × 758,341.60 - Step 4: Simplify right side
1,331,290.24x = 1,393,047,735,585.60 - Step 5: Solve for x
x = 1,393,047,735,585.60/1,331,290.24 - Step 6: Final answer
x = 1,046,389.20
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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.