Finding the Fourth Proportional to 1,609,931.26, 2,414,979.61 and 411,863.97
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Solution
The fourth proportional to 1,609,931.26, 2,414,979.61 and 411,863.97 is: 617,817.12
Step by Step Solution
- Step 1: Write the proportion equation
1,609,931.26 : 2,414,979.61 = 411,863.97 : x - Step 2: Convert to fraction form
1,609,931.26/2,414,979.61 = 411,863.97/x - Step 3: Cross multiply
1,609,931.26x = 2,414,979.61 × 411,863.97 - Step 4: Simplify right side
1,609,931.26x = 994,643,089,643.65 - Step 5: Solve for x
x = 994,643,089,643.65/1,609,931.26 - Step 6: Final answer
x = 617,817.12
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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.