Finding the Fourth Proportional to 1,431,741, 2,147,624.46 and 434,469
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Solution
The fourth proportional to 1,431,741, 2,147,624.46 and 434,469 is: 651,707.43
Step by Step Solution
- Step 1: Write the proportion equation
1,431,741 : 2,147,624.46 = 434,469 : x - Step 2: Convert to fraction form
1,431,741/2,147,624.46 = 434,469/x - Step 3: Cross multiply
1,431,741x = 2,147,624.46 × 434,469 - Step 4: Simplify right side
1,431,741x = 933,076,251,511.74 - Step 5: Solve for x
x = 933,076,251,511.74/1,431,741 - Step 6: Final answer
x = 651,707.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.