Finding the Fourth Proportional to 585,697.40, 877,542.18 and 393,211.32
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Solution
The fourth proportional to 585,697.40, 877,542.18 and 393,211.32 is: 589,142.99
Step by Step Solution
- Step 1: Write the proportion equation
585,697.40 : 877,542.18 = 393,211.32 : x - Step 2: Convert to fraction form
585,697.40/877,542.18 = 393,211.32/x - Step 3: Cross multiply
585,697.40x = 877,542.18 × 393,211.32 - Step 4: Simplify right side
585,697.40x = 345,059,518,953.48 - Step 5: Solve for x
x = 345,059,518,953.48/585,697.40 - Step 6: Final answer
x = 589,142.99
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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.