Finding the Fourth Proportional to 792,068.76, 1,093,112.82 and 452,529.72
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Solution
The fourth proportional to 792,068.76, 1,093,112.82 and 452,529.72 is: 624,524.11
Step by Step Solution
- Step 1: Write the proportion equation
792,068.76 : 1,093,112.82 = 452,529.72 : x - Step 2: Convert to fraction form
792,068.76/1,093,112.82 = 452,529.72/x - Step 3: Cross multiply
792,068.76x = 1,093,112.82 × 452,529.72 - Step 4: Simplify right side
792,068.76x = 494,666,038,363.01 - Step 5: Solve for x
x = 494,666,038,363.01/792,068.76 - Step 6: Final answer
x = 624,524.11
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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.