Finding the Fourth Proportional to 1,292,274.18, 1,938,700.37 and 393,786.23
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Solution
The fourth proportional to 1,292,274.18, 1,938,700.37 and 393,786.23 is: 590,767.45
Step by Step Solution
- Step 1: Write the proportion equation
1,292,274.18 : 1,938,700.37 = 393,786.23 : x - Step 2: Convert to fraction form
1,292,274.18/1,938,700.37 = 393,786.23/x - Step 3: Cross multiply
1,292,274.18x = 1,938,700.37 × 393,786.23 - Step 4: Simplify right side
1,292,274.18x = 763,433,517,450.65 - Step 5: Solve for x
x = 763,433,517,450.65/1,292,274.18 - Step 6: Final answer
x = 590,767.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.