Finding the Fourth Proportional to 893,953.11, 1,339,454.97 and 515,191.98
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Solution
The fourth proportional to 893,953.11, 1,339,454.97 and 515,191.98 is: 771,938.09
Step by Step Solution
- Step 1: Write the proportion equation
893,953.11 : 1,339,454.97 = 515,191.98 : x - Step 2: Convert to fraction form
893,953.11/1,339,454.97 = 515,191.98/x - Step 3: Cross multiply
893,953.11x = 1,339,454.97 × 515,191.98 - Step 4: Simplify right side
893,953.11x = 690,076,458,115.14 - Step 5: Solve for x
x = 690,076,458,115.14/893,953.11 - Step 6: Final answer
x = 771,938.09
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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.