Finding the Fourth Proportional to 701,698.84, 968,787.18 and 486,763.72
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Solution
The fourth proportional to 701,698.84, 968,787.18 and 486,763.72 is: 672,041.09
Step by Step Solution
- Step 1: Write the proportion equation
701,698.84 : 968,787.18 = 486,763.72 : x - Step 2: Convert to fraction form
701,698.84/968,787.18 = 486,763.72/x - Step 3: Cross multiply
701,698.84x = 968,787.18 × 486,763.72 - Step 4: Simplify right side
701,698.84x = 471,570,451,625.11 - Step 5: Solve for x
x = 471,570,451,625.11/701,698.84 - Step 6: Final answer
x = 672,041.09
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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.