Finding the Fourth Proportional to 1,132,192.14, 1,698,232.71 and 422,164.65
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Solution
The fourth proportional to 1,132,192.14, 1,698,232.71 and 422,164.65 is: 633,226.28
Step by Step Solution
- Step 1: Write the proportion equation
1,132,192.14 : 1,698,232.71 = 422,164.65 : x - Step 2: Convert to fraction form
1,132,192.14/1,698,232.71 = 422,164.65/x - Step 3: Cross multiply
1,132,192.14x = 1,698,232.71 × 422,164.65 - Step 4: Simplify right side
1,132,192.14x = 716,933,817,635.70 - Step 5: Solve for x
x = 716,933,817,635.70/1,132,192.14 - Step 6: Final answer
x = 633,226.28
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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.