Finding the Fourth Proportional to 1,728,947.28, 2,385,850.19 and 965,050.05
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Solution
The fourth proportional to 1,728,947.28, 2,385,850.19 and 965,050.05 is: 1,331,714.89
Step by Step Solution
- Step 1: Write the proportion equation
1,728,947.28 : 2,385,850.19 = 965,050.05 : x - Step 2: Convert to fraction form
1,728,947.28/2,385,850.19 = 965,050.05/x - Step 3: Cross multiply
1,728,947.28x = 2,385,850.19 × 965,050.05 - Step 4: Simplify right side
1,728,947.28x = 2,302,464,840,326.76 - Step 5: Solve for x
x = 2,302,464,840,326.76/1,728,947.28 - Step 6: Final answer
x = 1,331,714.89
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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.