Finding the Fourth Proportional to 1,357,236.24, 2,035,591.92 and 410,385.12
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Solution
The fourth proportional to 1,357,236.24, 2,035,591.92 and 410,385.12 is: 615,498.33
Step by Step Solution
- Step 1: Write the proportion equation
1,357,236.24 : 2,035,591.92 = 410,385.12 : x - Step 2: Convert to fraction form
1,357,236.24/2,035,591.92 = 410,385.12/x - Step 3: Cross multiply
1,357,236.24x = 2,035,591.92 × 410,385.12 - Step 4: Simplify right side
1,357,236.24x = 835,376,634,360.23 - Step 5: Solve for x
x = 835,376,634,360.23/1,357,236.24 - Step 6: Final answer
x = 615,498.33
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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.