Finding the Fourth Proportional to 1,731,565.20, 2,389,524.72 and 957,228.68
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Solution
The fourth proportional to 1,731,565.20, 2,389,524.72 and 957,228.68 is: 1,320,956.09
Step by Step Solution
- Step 1: Write the proportion equation
1,731,565.20 : 2,389,524.72 = 957,228.68 : x - Step 2: Convert to fraction form
1,731,565.20/2,389,524.72 = 957,228.68/x - Step 3: Cross multiply
1,731,565.20x = 2,389,524.72 × 957,228.68 - Step 4: Simplify right side
1,731,565.20x = 2,287,321,593,552.97 - Step 5: Solve for x
x = 2,287,321,593,552.97/1,731,565.20 - Step 6: Final answer
x = 1,320,956.09
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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.