Finding the Fourth Proportional to 1,283,454.15, 1,925,438.11 and 473,843.49
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Solution
The fourth proportional to 1,283,454.15, 1,925,438.11 and 473,843.49 is: 710,860.08
Step by Step Solution
- Step 1: Write the proportion equation
1,283,454.15 : 1,925,438.11 = 473,843.49 : x - Step 2: Convert to fraction form
1,283,454.15/1,925,438.11 = 473,843.49/x - Step 3: Cross multiply
1,283,454.15x = 1,925,438.11 × 473,843.49 - Step 4: Simplify right side
1,283,454.15x = 912,356,313,821.40 - Step 5: Solve for x
x = 912,356,313,821.40/1,283,454.15 - Step 6: Final answer
x = 710,860.08
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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.