Finding the Fourth Proportional to 1,285,523.36, 1,774,107.60 and 712,587.68
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Solution
The fourth proportional to 1,285,523.36, 1,774,107.60 and 712,587.68 is: 983,418.32
Step by Step Solution
- Step 1: Write the proportion equation
1,285,523.36 : 1,774,107.60 = 712,587.68 : x - Step 2: Convert to fraction form
1,285,523.36/1,774,107.60 = 712,587.68/x - Step 3: Cross multiply
1,285,523.36x = 1,774,107.60 × 712,587.68 - Step 4: Simplify right side
1,285,523.36x = 1,264,207,218,754.37 - Step 5: Solve for x
x = 1,264,207,218,754.37/1,285,523.36 - Step 6: Final answer
x = 983,418.32
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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.