Finding the Fourth Proportional to 964,193.68, 1,330,447.44 and 534,473.68
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Solution
The fourth proportional to 964,193.68, 1,330,447.44 and 534,473.68 is: 737,496.16
Step by Step Solution
- Step 1: Write the proportion equation
964,193.68 : 1,330,447.44 = 534,473.68 : x - Step 2: Convert to fraction form
964,193.68/1,330,447.44 = 534,473.68/x - Step 3: Cross multiply
964,193.68x = 1,330,447.44 × 534,473.68 - Step 4: Simplify right side
964,193.68x = 711,089,139,303.38 - Step 5: Solve for x
x = 711,089,139,303.38/964,193.68 - Step 6: Final answer
x = 737,496.16
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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.