Finding the Fourth Proportional to 948,340.03, 1,422,214.12 and 317,106.49
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Solution
The fourth proportional to 948,340.03, 1,422,214.12 and 317,106.49 is: 475,560.78
Step by Step Solution
- Step 1: Write the proportion equation
948,340.03 : 1,422,214.12 = 317,106.49 : x - Step 2: Convert to fraction form
948,340.03/1,422,214.12 = 317,106.49/x - Step 3: Cross multiply
948,340.03x = 1,422,214.12 × 317,106.49 - Step 4: Simplify right side
948,340.03x = 450,993,327,621.64 - Step 5: Solve for x
x = 450,993,327,621.64/948,340.03 - Step 6: Final answer
x = 475,560.78
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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.