Finding the Fourth Proportional to 699,201.99, 968,553.10 and 685,030.23
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Solution
The fourth proportional to 699,201.99, 968,553.10 and 685,030.23 is: 948,922.00
Step by Step Solution
- Step 1: Write the proportion equation
699,201.99 : 968,553.10 = 685,030.23 : x - Step 2: Convert to fraction form
699,201.99/968,553.10 = 685,030.23/x - Step 3: Cross multiply
699,201.99x = 968,553.10 × 685,030.23 - Step 4: Simplify right side
699,201.99x = 663,488,153,716.50 - Step 5: Solve for x
x = 663,488,153,716.50/699,201.99 - Step 6: Final answer
x = 948,922.00
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.