Finding the Fourth Proportional to 1,223,430, 1,835,145 and 336,966
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Solution
The fourth proportional to 1,223,430, 1,835,145 and 336,966 is: 505,449
Step by Step Solution
- Step 1: Write the proportion equation
1,223,430 : 1,835,145 = 336,966 : x - Step 2: Convert to fraction form
1,223,430/1,835,145 = 336,966/x - Step 3: Cross multiply
1,223,430x = 1,835,145 × 336,966 - Step 4: Simplify right side
1,223,430x = 618,381,470,070 - Step 5: Solve for x
x = 618,381,470,070/1,223,430 - Step 6: Final answer
x = 505,449
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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.