Finding the Fourth Proportional to 853,735.11, 1,178,014.58 and 504,827.11
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Solution
The fourth proportional to 853,735.11, 1,178,014.58 and 504,827.11 is: 696,578.70
Step by Step Solution
- Step 1: Write the proportion equation
853,735.11 : 1,178,014.58 = 504,827.11 : x - Step 2: Convert to fraction form
853,735.11/1,178,014.58 = 504,827.11/x - Step 3: Cross multiply
853,735.11x = 1,178,014.58 × 504,827.11 - Step 4: Simplify right side
853,735.11x = 594,693,693,435.13 - Step 5: Solve for x
x = 594,693,693,435.13/853,735.11 - Step 6: Final answer
x = 696,578.70
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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.