Finding the Fourth Proportional to 837,817.14, 1,156,153.12 and 455,845.44
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Solution
The fourth proportional to 837,817.14, 1,156,153.12 and 455,845.44 is: 629,047.92
Step by Step Solution
- Step 1: Write the proportion equation
837,817.14 : 1,156,153.12 = 455,845.44 : x - Step 2: Convert to fraction form
837,817.14/1,156,153.12 = 455,845.44/x - Step 3: Cross multiply
837,817.14x = 1,156,153.12 × 455,845.44 - Step 4: Simplify right side
837,817.14x = 527,027,130,889.73 - Step 5: Solve for x
x = 527,027,130,889.73/837,817.14 - Step 6: Final answer
x = 629,047.92
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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.