Finding the Fourth Proportional to 893,554.17, 1,233,114.21 and 485,656.05
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Solution
The fourth proportional to 893,554.17, 1,233,114.21 and 485,656.05 is: 670,210.49
Step by Step Solution
- Step 1: Write the proportion equation
893,554.17 : 1,233,114.21 = 485,656.05 : x - Step 2: Convert to fraction form
893,554.17/1,233,114.21 = 485,656.05/x - Step 3: Cross multiply
893,554.17x = 1,233,114.21 × 485,656.05 - Step 4: Simplify right side
893,554.17x = 598,869,376,427.47 - Step 5: Solve for x
x = 598,869,376,427.47/893,554.17 - Step 6: Final answer
x = 670,210.49
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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.