Finding the Fourth Proportional to 1,238,261.08, 1,708,819.86 and 694,517.80
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Solution
The fourth proportional to 1,238,261.08, 1,708,819.86 and 694,517.80 is: 958,445.54
Step by Step Solution
- Step 1: Write the proportion equation
1,238,261.08 : 1,708,819.86 = 694,517.80 : x - Step 2: Convert to fraction form
1,238,261.08/1,708,819.86 = 694,517.80/x - Step 3: Cross multiply
1,238,261.08x = 1,708,819.86 × 694,517.80 - Step 4: Simplify right side
1,238,261.08x = 1,186,805,809,763.51 - Step 5: Solve for x
x = 1,186,805,809,763.51/1,238,261.08 - Step 6: Final answer
x = 958,445.54
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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.