Finding the Fourth Proportional to 1,724,469.45, 2,379,653.99 and 1,035,732.06
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Solution
The fourth proportional to 1,724,469.45, 2,379,653.99 and 1,035,732.06 is: 1,429,241.87
Step by Step Solution
- Step 1: Write the proportion equation
1,724,469.45 : 2,379,653.99 = 1,035,732.06 : x - Step 2: Convert to fraction form
1,724,469.45/2,379,653.99 = 1,035,732.06/x - Step 3: Cross multiply
1,724,469.45x = 2,379,653.99 × 1,035,732.06 - Step 4: Simplify right side
1,724,469.45x = 2,464,683,927,855.25 - Step 5: Solve for x
x = 2,464,683,927,855.25/1,724,469.45 - Step 6: Final answer
x = 1,429,241.87
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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.