Finding the Fourth Proportional to 1,257,424.01, 1,734,309.36 and 798,139.62
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Solution
The fourth proportional to 1,257,424.01, 1,734,309.36 and 798,139.62 is: 1,100,838.70
Step by Step Solution
- Step 1: Write the proportion equation
1,257,424.01 : 1,734,309.36 = 798,139.62 : x - Step 2: Convert to fraction form
1,257,424.01/1,734,309.36 = 798,139.62/x - Step 3: Cross multiply
1,257,424.01x = 1,734,309.36 × 798,139.62 - Step 4: Simplify right side
1,257,424.01x = 1,384,221,013,552.84 - Step 5: Solve for x
x = 1,384,221,013,552.84/1,257,424.01 - Step 6: Final answer
x = 1,100,838.70
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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.