Finding the Fourth Proportional to 526,914.99, 790,374.51 and 127,555.12
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Solution
The fourth proportional to 526,914.99, 790,374.51 and 127,555.12 is: 191,333.17
Step by Step Solution
- Step 1: Write the proportion equation
526,914.99 : 790,374.51 = 127,555.12 : x - Step 2: Convert to fraction form
526,914.99/790,374.51 = 127,555.12/x - Step 3: Cross multiply
526,914.99x = 790,374.51 × 127,555.12 - Step 4: Simplify right side
526,914.99x = 100,816,316,455.96 - Step 5: Solve for x
x = 100,816,316,455.96/526,914.99 - Step 6: Final answer
x = 191,333.17
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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.