Finding the Fourth Proportional to 5,255,632.16, 7,883,430.96 and 1,266,544.16
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Solution
The fourth proportional to 5,255,632.16, 7,883,430.96 and 1,266,544.16 is: 1,899,812.08
Step by Step Solution
- Step 1: Write the proportion equation
5,255,632.16 : 7,883,430.96 = 1,266,544.16 : x - Step 2: Convert to fraction form
5,255,632.16/7,883,430.96 = 1,266,544.16/x - Step 3: Cross multiply
5,255,632.16x = 7,883,430.96 × 1,266,544.16 - Step 4: Simplify right side
5,255,632.16x = 9,984,713,443,151.19 - Step 5: Solve for x
x = 9,984,713,443,151.19/5,255,632.16 - Step 6: Final answer
x = 1,899,812.08
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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.