Finding the Fourth Proportional to 1,252,838.84, 1,728,024.44 and 1,149,805.14
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Solution
The fourth proportional to 1,252,838.84, 1,728,024.44 and 1,149,805.14 is: 1,585,911.38
Step by Step Solution
- Step 1: Write the proportion equation
1,252,838.84 : 1,728,024.44 = 1,149,805.14 : x - Step 2: Convert to fraction form
1,252,838.84/1,728,024.44 = 1,149,805.14/x - Step 3: Cross multiply
1,252,838.84x = 1,728,024.44 × 1,149,805.14 - Step 4: Simplify right side
1,252,838.84x = 1,986,891,370,928.50 - Step 5: Solve for x
x = 1,986,891,370,928.50/1,252,838.84 - Step 6: Final answer
x = 1,585,911.38
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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.