Finding the Fourth Proportional to 1,235,811.36, 1,705,023.36 and 691,867.20
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Solution
The fourth proportional to 1,235,811.36, 1,705,023.36 and 691,867.20 is: 954,554.86
Step by Step Solution
- Step 1: Write the proportion equation
1,235,811.36 : 1,705,023.36 = 691,867.20 : x - Step 2: Convert to fraction form
1,235,811.36/1,705,023.36 = 691,867.20/x - Step 3: Cross multiply
1,235,811.36x = 1,705,023.36 × 691,867.20 - Step 4: Simplify right side
1,235,811.36x = 1,179,649,738,017.79 - Step 5: Solve for x
x = 1,179,649,738,017.79/1,235,811.36 - Step 6: Final answer
x = 954,554.86
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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.