Finding the Fourth Proportional to 793,941.20, 1,095,603.14 and 449,770.09
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Solution
The fourth proportional to 793,941.20, 1,095,603.14 and 449,770.09 is: 620,662.49
Step by Step Solution
- Step 1: Write the proportion equation
793,941.20 : 1,095,603.14 = 449,770.09 : x - Step 2: Convert to fraction form
793,941.20/1,095,603.14 = 449,770.09/x - Step 3: Cross multiply
793,941.20x = 1,095,603.14 × 449,770.09 - Step 4: Simplify right side
793,941.20x = 492,769,515,155.22 - Step 5: Solve for x
x = 492,769,515,155.22/793,941.20 - Step 6: Final answer
x = 620,662.49
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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.