Finding the Fourth Proportional to 976,185.46, 1,465,222.74 and 471,101.99
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Solution
The fourth proportional to 976,185.46, 1,465,222.74 and 471,101.99 is: 707,108.82
Step by Step Solution
- Step 1: Write the proportion equation
976,185.46 : 1,465,222.74 = 471,101.99 : x - Step 2: Convert to fraction form
976,185.46/1,465,222.74 = 471,101.99/x - Step 3: Cross multiply
976,185.46x = 1,465,222.74 × 471,101.99 - Step 4: Simplify right side
976,185.46x = 690,269,347,756.38 - Step 5: Solve for x
x = 690,269,347,756.38/976,185.46 - Step 6: Final answer
x = 707,108.82
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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.