Finding the Fourth Proportional to 734,973.94, 1,014,314.18 and 408,325.24
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Solution
The fourth proportional to 734,973.94, 1,014,314.18 and 408,325.24 is: 563,516.69
Step by Step Solution
- Step 1: Write the proportion equation
734,973.94 : 1,014,314.18 = 408,325.24 : x - Step 2: Convert to fraction form
734,973.94/1,014,314.18 = 408,325.24/x - Step 3: Cross multiply
734,973.94x = 1,014,314.18 × 408,325.24 - Step 4: Simplify right side
734,973.94x = 414,170,080,983.90 - Step 5: Solve for x
x = 414,170,080,983.90/734,973.94 - Step 6: Final answer
x = 563,516.69
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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.