Finding the Fourth Proportional to 994,037.70, 1,491,056.55 and 461,381.70
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Solution
The fourth proportional to 994,037.70, 1,491,056.55 and 461,381.70 is: 692,072.55
Step by Step Solution
- Step 1: Write the proportion equation
994,037.70 : 1,491,056.55 = 461,381.70 : x - Step 2: Convert to fraction form
994,037.70/1,491,056.55 = 461,381.70/x - Step 3: Cross multiply
994,037.70x = 1,491,056.55 × 461,381.70 - Step 4: Simplify right side
994,037.70x = 687,946,205,835.14 - Step 5: Solve for x
x = 687,946,205,835.14/994,037.70 - Step 6: Final answer
x = 692,072.55
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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.