Finding the Fourth Proportional to 1,228,863.09, 1,842,626.97 and 554,154.57
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Solution
The fourth proportional to 1,228,863.09, 1,842,626.97 and 554,154.57 is: 830,930.77
Step by Step Solution
- Step 1: Write the proportion equation
1,228,863.09 : 1,842,626.97 = 554,154.57 : x - Step 2: Convert to fraction form
1,228,863.09/1,842,626.97 = 554,154.57/x - Step 3: Cross multiply
1,228,863.09x = 1,842,626.97 × 554,154.57 - Step 4: Simplify right side
1,228,863.09x = 1,021,100,156,230.75 - Step 5: Solve for x
x = 1,021,100,156,230.75/1,228,863.09 - Step 6: Final answer
x = 830,930.77
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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.