Finding the Fourth Proportional to 748,748.76, 1,033,273.22 and 409,217
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Solution
The fourth proportional to 748,748.76, 1,033,273.22 and 409,217 is: 564,719.42
Step by Step Solution
- Step 1: Write the proportion equation
748,748.76 : 1,033,273.22 = 409,217 : x - Step 2: Convert to fraction form
748,748.76/1,033,273.22 = 409,217/x - Step 3: Cross multiply
748,748.76x = 1,033,273.22 × 409,217 - Step 4: Simplify right side
748,748.76x = 422,832,967,268.74 - Step 5: Solve for x
x = 422,832,967,268.74/748,748.76 - Step 6: Final answer
x = 564,719.42
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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.