Finding the Fourth Proportional to 1,235,276.91, 1,853,064.87 and 436,394.97
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Solution
The fourth proportional to 1,235,276.91, 1,853,064.87 and 436,394.97 is: 654,645.27
Step by Step Solution
- Step 1: Write the proportion equation
1,235,276.91 : 1,853,064.87 = 436,394.97 : x - Step 2: Convert to fraction form
1,235,276.91/1,853,064.87 = 436,394.97/x - Step 3: Cross multiply
1,235,276.91x = 1,853,064.87 × 436,394.97 - Step 4: Simplify right side
1,235,276.91x = 808,668,188,351.70 - Step 5: Solve for x
x = 808,668,188,351.70/1,235,276.91 - Step 6: Final answer
x = 654,645.27
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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.