Finding the Fourth Proportional to 1,407,236, 2,110,854 and 619,268
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Solution
The fourth proportional to 1,407,236, 2,110,854 and 619,268 is: 928,902
Step by Step Solution
- Step 1: Write the proportion equation
1,407,236 : 2,110,854 = 619,268 : x - Step 2: Convert to fraction form
1,407,236/2,110,854 = 619,268/x - Step 3: Cross multiply
1,407,236x = 2,110,854 × 619,268 - Step 4: Simplify right side
1,407,236x = 1,307,184,334,872 - Step 5: Solve for x
x = 1,307,184,334,872/1,407,236 - Step 6: Final answer
x = 928,902
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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.