Finding the Fourth Proportional to 606,540.18, 836,874.99 and 399,785.65
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Solution
The fourth proportional to 606,540.18, 836,874.99 and 399,785.65 is: 551,605.03
Step by Step Solution
- Step 1: Write the proportion equation
606,540.18 : 836,874.99 = 399,785.65 : x - Step 2: Convert to fraction form
606,540.18/836,874.99 = 399,785.65/x - Step 3: Cross multiply
606,540.18x = 836,874.99 × 399,785.65 - Step 4: Simplify right side
606,540.18x = 334,570,612,107.42 - Step 5: Solve for x
x = 334,570,612,107.42/606,540.18 - Step 6: Final answer
x = 551,605.03
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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.