Finding the Fourth Proportional to 875,882.96, 1,208,720.24 and 473,474.96
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Solution
The fourth proportional to 875,882.96, 1,208,720.24 and 473,474.96 is: 653,396.39
Step by Step Solution
- Step 1: Write the proportion equation
875,882.96 : 1,208,720.24 = 473,474.96 : x - Step 2: Convert to fraction form
875,882.96/1,208,720.24 = 473,474.96/x - Step 3: Cross multiply
875,882.96x = 1,208,720.24 × 473,474.96 - Step 4: Simplify right side
875,882.96x = 572,298,758,874.22 - Step 5: Solve for x
x = 572,298,758,874.22/875,882.96 - Step 6: Final answer
x = 653,396.39
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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.