Finding the Fourth Proportional to 775,194.14, 1,163,017.20 and 475,866.74
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Solution
The fourth proportional to 775,194.14, 1,163,017.20 and 475,866.74 is: 713,938.84
Step by Step Solution
- Step 1: Write the proportion equation
775,194.14 : 1,163,017.20 = 475,866.74 : x - Step 2: Convert to fraction form
775,194.14/1,163,017.20 = 475,866.74/x - Step 3: Cross multiply
775,194.14x = 1,163,017.20 × 475,866.74 - Step 4: Simplify right side
775,194.14x = 553,441,203,527.93 - Step 5: Solve for x
x = 553,441,203,527.93/775,194.14 - Step 6: Final answer
x = 713,938.84
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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.