Finding the Fourth Proportional to 1,282,943.05, 1,924,842.17 and 430,099.09
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Solution
The fourth proportional to 1,282,943.05, 1,924,842.17 and 430,099.09 is: 645,291.98
Step by Step Solution
- Step 1: Write the proportion equation
1,282,943.05 : 1,924,842.17 = 430,099.09 : x - Step 2: Convert to fraction form
1,282,943.05/1,924,842.17 = 430,099.09/x - Step 3: Cross multiply
1,282,943.05x = 1,924,842.17 × 430,099.09 - Step 4: Simplify right side
1,282,943.05x = 827,872,865,710.63 - Step 5: Solve for x
x = 827,872,865,710.63/1,282,943.05 - Step 6: Final answer
x = 645,291.98
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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.