Finding the Fourth Proportional to 968,135.70, 1,452,203.55 and 548,231.70
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Solution
The fourth proportional to 968,135.70, 1,452,203.55 and 548,231.70 is: 822,347.55
Step by Step Solution
- Step 1: Write the proportion equation
968,135.70 : 1,452,203.55 = 548,231.70 : x - Step 2: Convert to fraction form
968,135.70/1,452,203.55 = 548,231.70/x - Step 3: Cross multiply
968,135.70x = 1,452,203.55 × 548,231.70 - Step 4: Simplify right side
968,135.70x = 796,144,020,962.54 - Step 5: Solve for x
x = 796,144,020,962.54/968,135.70 - Step 6: Final answer
x = 822,347.55
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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.