Finding the Fourth Proportional to 753,033.97, 1,039,199.57 and 413,533.81
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Solution
The fourth proportional to 753,033.97, 1,039,199.57 and 413,533.81 is: 570,683.63
Step by Step Solution
- Step 1: Write the proportion equation
753,033.97 : 1,039,199.57 = 413,533.81 : x - Step 2: Convert to fraction form
753,033.97/1,039,199.57 = 413,533.81/x - Step 3: Cross multiply
753,033.97x = 1,039,199.57 × 413,533.81 - Step 4: Simplify right side
753,033.97x = 429,744,157,532.46 - Step 5: Solve for x
x = 429,744,157,532.46/753,033.97 - Step 6: Final answer
x = 570,683.63
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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.