Finding the Fourth Proportional to 1,555,765, 2,333,647.50 and 505,141
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Solution
The fourth proportional to 1,555,765, 2,333,647.50 and 505,141 is: 757,711.50
Step by Step Solution
- Step 1: Write the proportion equation
1,555,765 : 2,333,647.50 = 505,141 : x - Step 2: Convert to fraction form
1,555,765/2,333,647.50 = 505,141/x - Step 3: Cross multiply
1,555,765x = 2,333,647.50 × 505,141 - Step 4: Simplify right side
1,555,765x = 1,178,821,031,797.50 - Step 5: Solve for x
x = 1,178,821,031,797.50/1,555,765 - Step 6: Final answer
x = 757,711.50
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1.5x scale
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.