Finding the Fourth Proportional to 1,905,778.49, 2,859,783.12 and 708,527.21
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Solution
The fourth proportional to 1,905,778.49, 2,859,783.12 and 708,527.21 is: 1,063,205.49
Step by Step Solution
- Step 1: Write the proportion equation
1,905,778.49 : 2,859,783.12 = 708,527.21 : x - Step 2: Convert to fraction form
1,905,778.49/2,859,783.12 = 708,527.21/x - Step 3: Cross multiply
1,905,778.49x = 2,859,783.12 × 708,527.21 - Step 4: Simplify right side
1,905,778.49x = 2,026,234,140,919.78 - Step 5: Solve for x
x = 2,026,234,140,919.78/1,905,778.49 - Step 6: Final answer
x = 1,063,205.49
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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.