Finding the Fourth Proportional to 1,441,583.55, 1,989,533.21 and 829,759.23
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Solution
The fourth proportional to 1,441,583.55, 1,989,533.21 and 829,759.23 is: 1,145,152.87
Step by Step Solution
- Step 1: Write the proportion equation
1,441,583.55 : 1,989,533.21 = 829,759.23 : x - Step 2: Convert to fraction form
1,441,583.55/1,989,533.21 = 829,759.23/x - Step 3: Cross multiply
1,441,583.55x = 1,989,533.21 × 829,759.23 - Step 4: Simplify right side
1,441,583.55x = 1,650,833,540,240.23 - Step 5: Solve for x
x = 1,650,833,540,240.23/1,441,583.55 - Step 6: Final answer
x = 1,145,152.87
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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.