Finding the Fourth Proportional to 1,256,753.84, 1,734,268.36 and 683,796.24
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Solution
The fourth proportional to 1,256,753.84, 1,734,268.36 and 683,796.24 is: 943,610.55
Step by Step Solution
- Step 1: Write the proportion equation
1,256,753.84 : 1,734,268.36 = 683,796.24 : x - Step 2: Convert to fraction form
1,256,753.84/1,734,268.36 = 683,796.24/x - Step 3: Cross multiply
1,256,753.84x = 1,734,268.36 × 683,796.24 - Step 4: Simplify right side
1,256,753.84x = 1,185,886,183,718.97 - Step 5: Solve for x
x = 1,185,886,183,718.97/1,256,753.84 - Step 6: Final answer
x = 943,610.55
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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.