Finding the Fourth Proportional to 4,975,258.80, 7,462,888.20 and 1,609,465.80
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Solution
The fourth proportional to 4,975,258.80, 7,462,888.20 and 1,609,465.80 is: 2,414,198.70
Step by Step Solution
- Step 1: Write the proportion equation
4,975,258.80 : 7,462,888.20 = 1,609,465.80 : x - Step 2: Convert to fraction form
4,975,258.80/7,462,888.20 = 1,609,465.80/x - Step 3: Cross multiply
4,975,258.80x = 7,462,888.20 × 1,609,465.80 - Step 4: Simplify right side
4,975,258.80x = 12,011,263,327,123.56 - Step 5: Solve for x
x = 12,011,263,327,123.56/4,975,258.80 - Step 6: Final answer
x = 2,414,198.70
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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.