Finding the Fourth Proportional to 1,411,568.64, 1,947,745.44 and 838,594.08
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Solution
The fourth proportional to 1,411,568.64, 1,947,745.44 and 838,594.08 is: 1,157,129.56
Step by Step Solution
- Step 1: Write the proportion equation
1,411,568.64 : 1,947,745.44 = 838,594.08 : x - Step 2: Convert to fraction form
1,411,568.64/1,947,745.44 = 838,594.08/x - Step 3: Cross multiply
1,411,568.64x = 1,947,745.44 × 838,594.08 - Step 4: Simplify right side
1,411,568.64x = 1,633,367,795,331.00 - Step 5: Solve for x
x = 1,633,367,795,331.00/1,411,568.64 - Step 6: Final answer
x = 1,157,129.56
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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.