Finding the Fourth Proportional to 1,182,738.19, 1,632,179.36 and 638,873.99
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Solution
The fourth proportional to 1,182,738.19, 1,632,179.36 and 638,873.99 is: 881,646.46
Step by Step Solution
- Step 1: Write the proportion equation
1,182,738.19 : 1,632,179.36 = 638,873.99 : x - Step 2: Convert to fraction form
1,182,738.19/1,632,179.36 = 638,873.99/x - Step 3: Cross multiply
1,182,738.19x = 1,632,179.36 × 638,873.99 - Step 4: Simplify right side
1,182,738.19x = 1,042,756,940,118.85 - Step 5: Solve for x
x = 1,042,756,940,118.85/1,182,738.19 - Step 6: Final answer
x = 881,646.46
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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.