Finding the Fourth Proportional to 1,293,381.13, 1,940,307.09 and 440,409.19
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Solution
The fourth proportional to 1,293,381.13, 1,940,307.09 and 440,409.19 is: 660,693.94
Step by Step Solution
- Step 1: Write the proportion equation
1,293,381.13 : 1,940,307.09 = 440,409.19 : x - Step 2: Convert to fraction form
1,293,381.13/1,940,307.09 = 440,409.19/x - Step 3: Cross multiply
1,293,381.13x = 1,940,307.09 × 440,409.19 - Step 4: Simplify right side
1,293,381.13x = 854,529,073,858.16 - Step 5: Solve for x
x = 854,529,073,858.16/1,293,381.13 - Step 6: Final answer
x = 660,693.94
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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.