Finding the Fourth Proportional to 1,256,673.80, 1,734,217.44 and 683,718.14
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Solution
The fourth proportional to 1,256,673.80, 1,734,217.44 and 683,718.14 is: 943,535.17
Step by Step Solution
- Step 1: Write the proportion equation
1,256,673.80 : 1,734,217.44 = 683,718.14 : x - Step 2: Convert to fraction form
1,256,673.80/1,734,217.44 = 683,718.14/x - Step 3: Cross multiply
1,256,673.80x = 1,734,217.44 × 683,718.14 - Step 4: Simplify right side
1,256,673.80x = 1,185,715,922,432.36 - Step 5: Solve for x
x = 1,185,715,922,432.36/1,256,673.80 - Step 6: Final answer
x = 943,535.17
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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.