Finding the Fourth Proportional to 1,182,754.18, 1,632,201.36 and 638,889.94
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Solution
The fourth proportional to 1,182,754.18, 1,632,201.36 and 638,889.94 is: 881,668.43
Step by Step Solution
- Step 1: Write the proportion equation
1,182,754.18 : 1,632,201.36 = 638,889.94 : x - Step 2: Convert to fraction form
1,182,754.18/1,632,201.36 = 638,889.94/x - Step 3: Cross multiply
1,182,754.18x = 1,632,201.36 × 638,889.94 - Step 4: Simplify right side
1,182,754.18x = 1,042,797,020,797.31 - Step 5: Solve for x
x = 1,042,797,020,797.31/1,182,754.18 - Step 6: Final answer
x = 881,668.43
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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.