Finding the Fourth Proportional to 756,939.33, 1,044,528.62 and 434,422.44
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Solution
The fourth proportional to 756,939.33, 1,044,528.62 and 434,422.44 is: 599,475.61
Step by Step Solution
- Step 1: Write the proportion equation
756,939.33 : 1,044,528.62 = 434,422.44 : x - Step 2: Convert to fraction form
756,939.33/1,044,528.62 = 434,422.44/x - Step 3: Cross multiply
756,939.33x = 1,044,528.62 × 434,422.44 - Step 4: Simplify right side
756,939.33x = 453,766,669,578.12 - Step 5: Solve for x
x = 453,766,669,578.12/756,939.33 - Step 6: Final answer
x = 599,475.61
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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.