Finding the Fourth Proportional to 1,721,179.20, 2,375,193.52 and 957,216.36
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Solution
The fourth proportional to 1,721,179.20, 2,375,193.52 and 957,216.36 is: 1,320,939.79
Step by Step Solution
- Step 1: Write the proportion equation
1,721,179.20 : 2,375,193.52 = 957,216.36 : x - Step 2: Convert to fraction form
1,721,179.20/2,375,193.52 = 957,216.36/x - Step 3: Cross multiply
1,721,179.20x = 2,375,193.52 × 957,216.36 - Step 4: Simplify right side
1,721,179.20x = 2,273,574,095,509.99 - Step 5: Solve for x
x = 2,273,574,095,509.99/1,721,179.20 - Step 6: Final answer
x = 1,320,939.79
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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.