Finding the Fourth Proportional to 1,723,920.77, 2,584,106.86 and 764,828.05
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Solution
The fourth proportional to 1,723,920.77, 2,584,106.86 and 764,828.05 is: 1,146,454.90
Step by Step Solution
- Step 1: Write the proportion equation
1,723,920.77 : 2,584,106.86 = 764,828.05 : x - Step 2: Convert to fraction form
1,723,920.77/2,584,106.86 = 764,828.05/x - Step 3: Cross multiply
1,723,920.77x = 2,584,106.86 × 764,828.05 - Step 4: Simplify right side
1,723,920.77x = 1,976,397,408,632.34 - Step 5: Solve for x
x = 1,976,397,408,632.34/1,723,920.77 - Step 6: Final answer
x = 1,146,454.90
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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.