Finding the Fourth Proportional to 1,838,299.71, 2,757,523.74 and 640,343.19
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Solution
The fourth proportional to 1,838,299.71, 2,757,523.74 and 640,343.19 is: 960,540.62
Step by Step Solution
- Step 1: Write the proportion equation
1,838,299.71 : 2,757,523.74 = 640,343.19 : x - Step 2: Convert to fraction form
1,838,299.71/2,757,523.74 = 640,343.19/x - Step 3: Cross multiply
1,838,299.71x = 2,757,523.74 × 640,343.19 - Step 4: Simplify right side
1,838,299.71x = 1,765,761,548,172.33 - Step 5: Solve for x
x = 1,765,761,548,172.33/1,838,299.71 - Step 6: Final answer
x = 960,540.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.