Finding the Fourth Proportional to 1,066,827, 1,600,240.50 and 278,859
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Solution
The fourth proportional to 1,066,827, 1,600,240.50 and 278,859 is: 418,288.50
Step by Step Solution
- Step 1: Write the proportion equation
1,066,827 : 1,600,240.50 = 278,859 : x - Step 2: Convert to fraction form
1,066,827/1,600,240.50 = 278,859/x - Step 3: Cross multiply
1,066,827x = 1,600,240.50 × 278,859 - Step 4: Simplify right side
1,066,827x = 446,241,465,589.50 - Step 5: Solve for x
x = 446,241,465,589.50/1,066,827 - Step 6: Final answer
x = 418,288.50
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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.