Finding the Fourth Proportional to 775,721.18, 1,070,592.72 and 436,187
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Solution
The fourth proportional to 775,721.18, 1,070,592.72 and 436,187 is: 601,992.88
Step by Step Solution
- Step 1: Write the proportion equation
775,721.18 : 1,070,592.72 = 436,187 : x - Step 2: Convert to fraction form
775,721.18/1,070,592.72 = 436,187/x - Step 3: Cross multiply
775,721.18x = 1,070,592.72 × 436,187 - Step 4: Simplify right side
775,721.18x = 466,978,626,758.64 - Step 5: Solve for x
x = 466,978,626,758.64/775,721.18 - Step 6: Final answer
x = 601,992.88
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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.