Finding the Fourth Proportional to 1,270,641.39, 1,906,195.97 and 417,761.20
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Solution
The fourth proportional to 1,270,641.39, 1,906,195.97 and 417,761.20 is: 626,718.70
Step by Step Solution
- Step 1: Write the proportion equation
1,270,641.39 : 1,906,195.97 = 417,761.20 : x - Step 2: Convert to fraction form
1,270,641.39/1,906,195.97 = 417,761.20/x - Step 3: Cross multiply
1,270,641.39x = 1,906,195.97 × 417,761.20 - Step 4: Simplify right side
1,270,641.39x = 796,334,715,862.36 - Step 5: Solve for x
x = 796,334,715,862.36/1,270,641.39 - Step 6: Final answer
x = 626,718.70
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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.