Finding the Fourth Proportional to 829,387.84, 1,244,073.60 and 379,981.24
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Solution
The fourth proportional to 829,387.84, 1,244,073.60 and 379,981.24 is: 569,968.12
Step by Step Solution
- Step 1: Write the proportion equation
829,387.84 : 1,244,073.60 = 379,981.24 : x - Step 2: Convert to fraction form
829,387.84/1,244,073.60 = 379,981.24/x - Step 3: Cross multiply
829,387.84x = 1,244,073.60 × 379,981.24 - Step 4: Simplify right side
829,387.84x = 472,724,629,179.26 - Step 5: Solve for x
x = 472,724,629,179.26/829,387.84 - Step 6: Final answer
x = 569,968.12
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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.