Finding the Fourth Proportional to 1,256,961.84, 1,734,643.84 and 684,038.96
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Solution
The fourth proportional to 1,256,961.84, 1,734,643.84 and 684,038.96 is: 943,993.63
Step by Step Solution
- Step 1: Write the proportion equation
1,256,961.84 : 1,734,643.84 = 684,038.96 : x - Step 2: Convert to fraction form
1,256,961.84/1,734,643.84 = 684,038.96/x - Step 3: Cross multiply
1,256,961.84x = 1,734,643.84 × 684,038.96 - Step 4: Simplify right side
1,256,961.84x = 1,186,563,968,284.01 - Step 5: Solve for x
x = 1,186,563,968,284.01/1,256,961.84 - Step 6: Final answer
x = 943,993.63
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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.