Finding the Fourth Proportional to 1,412,897.68, 1,949,822.58 and 768,336.84
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Solution
The fourth proportional to 1,412,897.68, 1,949,822.58 and 768,336.84 is: 1,060,317.77
Step by Step Solution
- Step 1: Write the proportion equation
1,412,897.68 : 1,949,822.58 = 768,336.84 : x - Step 2: Convert to fraction form
1,412,897.68/1,949,822.58 = 768,336.84/x - Step 3: Cross multiply
1,412,897.68x = 1,949,822.58 × 768,336.84 - Step 4: Simplify right side
1,412,897.68x = 1,498,120,522,559.11 - Step 5: Solve for x
x = 1,498,120,522,559.11/1,412,897.68 - Step 6: Final answer
x = 1,060,317.77
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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.