Finding the Fourth Proportional to 755,844.14, 1,043,064.88 and 416,312.39
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Solution
The fourth proportional to 755,844.14, 1,043,064.88 and 416,312.39 is: 574,511.08
Step by Step Solution
- Step 1: Write the proportion equation
755,844.14 : 1,043,064.88 = 416,312.39 : x - Step 2: Convert to fraction form
755,844.14/1,043,064.88 = 416,312.39/x - Step 3: Cross multiply
755,844.14x = 1,043,064.88 × 416,312.39 - Step 4: Simplify right side
755,844.14x = 434,240,834,684.74 - Step 5: Solve for x
x = 434,240,834,684.74/755,844.14 - Step 6: Final answer
x = 574,511.08
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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.