Finding the Fourth Proportional to 1,384,710.44, 2,076,857.90 and 437,958.14
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Solution
The fourth proportional to 1,384,710.44, 2,076,857.90 and 437,958.14 is: 656,871.50
Step by Step Solution
- Step 1: Write the proportion equation
1,384,710.44 : 2,076,857.90 = 437,958.14 : x - Step 2: Convert to fraction form
1,384,710.44/2,076,857.90 = 437,958.14/x - Step 3: Cross multiply
1,384,710.44x = 2,076,857.90 × 437,958.14 - Step 4: Simplify right side
1,384,710.44x = 909,576,822,447.18 - Step 5: Solve for x
x = 909,576,822,447.18/1,384,710.44 - Step 6: Final answer
x = 656,871.50
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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.