Finding the Fourth Proportional to 744,358.68, 1,027,216.08 and 404,826.12
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Solution
The fourth proportional to 744,358.68, 1,027,216.08 and 404,826.12 is: 558,660.64
Step by Step Solution
- Step 1: Write the proportion equation
744,358.68 : 1,027,216.08 = 404,826.12 : x - Step 2: Convert to fraction form
744,358.68/1,027,216.08 = 404,826.12/x - Step 3: Cross multiply
744,358.68x = 1,027,216.08 × 404,826.12 - Step 4: Simplify right side
744,358.68x = 415,843,900,068.01 - Step 5: Solve for x
x = 415,843,900,068.01/744,358.68 - Step 6: Final answer
x = 558,660.64
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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.