Finding the Fourth Proportional to 1,130,599.46, 1,560,227.23 and 621,301.84
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Solution
The fourth proportional to 1,130,599.46, 1,560,227.23 and 621,301.84 is: 857,396.53
Step by Step Solution
- Step 1: Write the proportion equation
1,130,599.46 : 1,560,227.23 = 621,301.84 : x - Step 2: Convert to fraction form
1,130,599.46/1,560,227.23 = 621,301.84/x - Step 3: Cross multiply
1,130,599.46x = 1,560,227.23 × 621,301.84 - Step 4: Simplify right side
1,130,599.46x = 969,372,048,817.10 - Step 5: Solve for x
x = 969,372,048,817.10/1,130,599.46 - Step 6: Final answer
x = 857,396.53
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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.