Finding the Fourth Proportional to 854,193.84, 1,178,812.11 and 472,245.23
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Solution
The fourth proportional to 854,193.84, 1,178,812.11 and 472,245.23 is: 651,712.01
Step by Step Solution
- Step 1: Write the proportion equation
854,193.84 : 1,178,812.11 = 472,245.23 : x - Step 2: Convert to fraction form
854,193.84/1,178,812.11 = 472,245.23/x - Step 3: Cross multiply
854,193.84x = 1,178,812.11 × 472,245.23 - Step 4: Simplify right side
854,193.84x = 556,688,387,758.45 - Step 5: Solve for x
x = 556,688,387,758.45/854,193.84 - Step 6: Final answer
x = 651,712.01
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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.