Finding the Fourth Proportional to 785,029.11, 1,083,337.11 and 440,817.18
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Solution
The fourth proportional to 785,029.11, 1,083,337.11 and 440,817.18 is: 608,325.99
Step by Step Solution
- Step 1: Write the proportion equation
785,029.11 : 1,083,337.11 = 440,817.18 : x - Step 2: Convert to fraction form
785,029.11/1,083,337.11 = 440,817.18/x - Step 3: Cross multiply
785,029.11x = 1,083,337.11 × 440,817.18 - Step 4: Simplify right side
785,029.11x = 477,553,609,819.55 - Step 5: Solve for x
x = 477,553,609,819.55/785,029.11 - Step 6: Final answer
x = 608,325.99
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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.