Finding the Fourth Proportional to 1,239,527.88, 1,859,311.98 and 386,622
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Solution
The fourth proportional to 1,239,527.88, 1,859,311.98 and 386,622 is: 579,939.29
Step by Step Solution
- Step 1: Write the proportion equation
1,239,527.88 : 1,859,311.98 = 386,622 : x - Step 2: Convert to fraction form
1,239,527.88/1,859,311.98 = 386,622/x - Step 3: Cross multiply
1,239,527.88x = 1,859,311.98 × 386,622 - Step 4: Simplify right side
1,239,527.88x = 718,850,916,331.56 - Step 5: Solve for x
x = 718,850,916,331.56/1,239,527.88 - Step 6: Final answer
x = 579,939.29
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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.