Finding the Fourth Proportional to 1,235,334.30, 1,853,139.69 and 393,694.62
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Solution
The fourth proportional to 1,235,334.30, 1,853,139.69 and 393,694.62 is: 590,585.99
Step by Step Solution
- Step 1: Write the proportion equation
1,235,334.30 : 1,853,139.69 = 393,694.62 : x - Step 2: Convert to fraction form
1,235,334.30/1,853,139.69 = 393,694.62/x - Step 3: Cross multiply
1,235,334.30x = 1,853,139.69 × 393,694.62 - Step 4: Simplify right side
1,235,334.30x = 729,571,126,061.47 - Step 5: Solve for x
x = 729,571,126,061.47/1,235,334.30 - Step 6: Final answer
x = 590,585.99
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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.