Finding the Fourth Proportional to 756,088.93, 1,043,399.58 and 411,923.81
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Solution
The fourth proportional to 756,088.93, 1,043,399.58 and 411,923.81 is: 568,453.15
Step by Step Solution
- Step 1: Write the proportion equation
756,088.93 : 1,043,399.58 = 411,923.81 : x - Step 2: Convert to fraction form
756,088.93/1,043,399.58 = 411,923.81/x - Step 3: Cross multiply
756,088.93x = 1,043,399.58 × 411,923.81 - Step 4: Simplify right side
756,088.93x = 429,801,131,409.79 - Step 5: Solve for x
x = 429,801,131,409.79/756,088.93 - Step 6: Final answer
x = 568,453.15
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1.5x scale
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.