Finding the Fourth Proportional to 1,258,226.40, 1,736,372.16 and 685,266.09
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Solution
The fourth proportional to 1,258,226.40, 1,736,372.16 and 685,266.09 is: 945,677.95
Step by Step Solution
- Step 1: Write the proportion equation
1,258,226.40 : 1,736,372.16 = 685,266.09 : x - Step 2: Convert to fraction form
1,258,226.40/1,736,372.16 = 685,266.09/x - Step 3: Cross multiply
1,258,226.40x = 1,736,372.16 × 685,266.09 - Step 4: Simplify right side
1,258,226.40x = 1,189,876,960,868.05 - Step 5: Solve for x
x = 1,189,876,960,868.05/1,258,226.40 - Step 6: Final answer
x = 945,677.95
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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.