Finding the Fourth Proportional to 1,668,806.28, 2,503,306.20 and 644,142.42
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Solution
The fourth proportional to 1,668,806.28, 2,503,306.20 and 644,142.42 is: 966,250.99
Step by Step Solution
- Step 1: Write the proportion equation
1,668,806.28 : 2,503,306.20 = 644,142.42 : x - Step 2: Convert to fraction form
1,668,806.28/2,503,306.20 = 644,142.42/x - Step 3: Cross multiply
1,668,806.28x = 2,503,306.20 × 644,142.42 - Step 4: Simplify right side
1,668,806.28x = 1,612,485,713,669.00 - Step 5: Solve for x
x = 1,612,485,713,669.00/1,668,806.28 - Step 6: Final answer
x = 966,250.99
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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.