Finding the Fourth Proportional to 1,189,793.73, 1,641,943.92 and 645,952.44
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Solution
The fourth proportional to 1,189,793.73, 1,641,943.92 and 645,952.44 is: 891,429.88
Step by Step Solution
- Step 1: Write the proportion equation
1,189,793.73 : 1,641,943.92 = 645,952.44 : x - Step 2: Convert to fraction form
1,189,793.73/1,641,943.92 = 645,952.44/x - Step 3: Cross multiply
1,189,793.73x = 1,641,943.92 × 645,952.44 - Step 4: Simplify right side
1,189,793.73x = 1,060,617,681,467.16 - Step 5: Solve for x
x = 1,060,617,681,467.16/1,189,793.73 - Step 6: Final answer
x = 891,429.88
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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.