Finding the Fourth Proportional to 1,578,780.16, 2,368,022.58 and 441,644.65
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Solution
The fourth proportional to 1,578,780.16, 2,368,022.58 and 441,644.65 is: 662,425.67
Step by Step Solution
- Step 1: Write the proportion equation
1,578,780.16 : 2,368,022.58 = 441,644.65 : x - Step 2: Convert to fraction form
1,578,780.16/2,368,022.58 = 441,644.65/x - Step 3: Cross multiply
1,578,780.16x = 2,368,022.58 × 441,644.65 - Step 4: Simplify right side
1,578,780.16x = 1,045,824,503,536.20 - Step 5: Solve for x
x = 1,045,824,503,536.20/1,578,780.16 - Step 6: Final answer
x = 662,425.67
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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.