Finding the Fourth Proportional to 1,736,126.16, 2,605,872.60 and 838,201.20
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Solution
The fourth proportional to 1,736,126.16, 2,605,872.60 and 838,201.20 is: 1,258,114.53
Step by Step Solution
- Step 1: Write the proportion equation
1,736,126.16 : 2,605,872.60 = 838,201.20 : x - Step 2: Convert to fraction form
1,736,126.16/2,605,872.60 = 838,201.20/x - Step 3: Cross multiply
1,736,126.16x = 2,605,872.60 × 838,201.20 - Step 4: Simplify right side
1,736,126.16x = 2,184,245,540,367.12 - Step 5: Solve for x
x = 2,184,245,540,367.12/1,736,126.16 - Step 6: Final answer
x = 1,258,114.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.