Finding the Fourth Proportional to 1,242,362.91, 1,863,586.05 and 343,729.40
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Solution
The fourth proportional to 1,242,362.91, 1,863,586.05 and 343,729.40 is: 515,605.63
Step by Step Solution
- Step 1: Write the proportion equation
1,242,362.91 : 1,863,586.05 = 343,729.40 : x - Step 2: Convert to fraction form
1,242,362.91/1,863,586.05 = 343,729.40/x - Step 3: Cross multiply
1,242,362.91x = 1,863,586.05 × 343,729.40 - Step 4: Simplify right side
1,242,362.91x = 640,569,305,496.94 - Step 5: Solve for x
x = 640,569,305,496.94/1,242,362.91 - Step 6: Final answer
x = 515,605.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.