Finding the Fourth Proportional to 1,761,392.26, 2,643,138.12 and 639,548.74
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Solution
The fourth proportional to 1,761,392.26, 2,643,138.12 and 639,548.74 is: 959,704.26
Step by Step Solution
- Step 1: Write the proportion equation
1,761,392.26 : 2,643,138.12 = 639,548.74 : x - Step 2: Convert to fraction form
1,761,392.26/2,643,138.12 = 639,548.74/x - Step 3: Cross multiply
1,761,392.26x = 2,643,138.12 × 639,548.74 - Step 4: Simplify right side
1,761,392.26x = 1,690,415,654,291.97 - Step 5: Solve for x
x = 1,690,415,654,291.97/1,761,392.26 - Step 6: Final answer
x = 959,704.26
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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.