Finding the Fourth Proportional to 1,261,823.80, 1,889,625.30 and 838,809.40
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Solution
The fourth proportional to 1,261,823.80, 1,889,625.30 and 838,809.40 is: 1,256,146.43
Step by Step Solution
- Step 1: Write the proportion equation
1,261,823.80 : 1,889,625.30 = 838,809.40 : x - Step 2: Convert to fraction form
1,261,823.80/1,889,625.30 = 838,809.40/x - Step 3: Cross multiply
1,261,823.80x = 1,889,625.30 × 838,809.40 - Step 4: Simplify right side
1,261,823.80x = 1,585,035,464,117.82 - Step 5: Solve for x
x = 1,585,035,464,117.82/1,261,823.80 - Step 6: Final answer
x = 1,256,146.43
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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.