Finding the Fourth Proportional to 1,261,806.41, 1,741,283.99 and 688,846.58
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Solution
The fourth proportional to 1,261,806.41, 1,741,283.99 and 688,846.58 is: 950,603.45
Step by Step Solution
- Step 1: Write the proportion equation
1,261,806.41 : 1,741,283.99 = 688,846.58 : x - Step 2: Convert to fraction form
1,261,806.41/1,741,283.99 = 688,846.58/x - Step 3: Cross multiply
1,261,806.41x = 1,741,283.99 × 688,846.58 - Step 4: Simplify right side
1,261,806.41x = 1,199,477,521,320.25 - Step 5: Solve for x
x = 1,199,477,521,320.25/1,261,806.41 - Step 6: Final answer
x = 950,603.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.