Finding the Fourth Proportional to 696,794.93, 961,575.44 and 386,745.03
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Solution
The fourth proportional to 696,794.93, 961,575.44 and 386,745.03 is: 533,707.27
Step by Step Solution
- Step 1: Write the proportion equation
696,794.93 : 961,575.44 = 386,745.03 : x - Step 2: Convert to fraction form
696,794.93/961,575.44 = 386,745.03/x - Step 3: Cross multiply
696,794.93x = 961,575.44 × 386,745.03 - Step 4: Simplify right side
696,794.93x = 371,884,522,390.06 - Step 5: Solve for x
x = 371,884,522,390.06/696,794.93 - Step 6: Final answer
x = 533,707.27
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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.