Finding the Fourth Proportional to 734,810.13, 1,014,029.08 and 412,511.94
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Solution
The fourth proportional to 734,810.13, 1,014,029.08 and 412,511.94 is: 569,261.48
Step by Step Solution
- Step 1: Write the proportion equation
734,810.13 : 1,014,029.08 = 412,511.94 : x - Step 2: Convert to fraction form
734,810.13/1,014,029.08 = 412,511.94/x - Step 3: Cross multiply
734,810.13x = 1,014,029.08 × 412,511.94 - Step 4: Simplify right side
734,810.13x = 418,299,101,975.94 - Step 5: Solve for x
x = 418,299,101,975.94/734,810.13 - Step 6: Final answer
x = 569,261.48
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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.