Finding the Fourth Proportional to 1,705,784.08, 2,353,910.88 and 931,352.80
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Solution
The fourth proportional to 1,705,784.08, 2,353,910.88 and 931,352.80 is: 1,285,228.02
Step by Step Solution
- Step 1: Write the proportion equation
1,705,784.08 : 2,353,910.88 = 931,352.80 : x - Step 2: Convert to fraction form
1,705,784.08/2,353,910.88 = 931,352.80/x - Step 3: Cross multiply
1,705,784.08x = 2,353,910.88 × 931,352.80 - Step 4: Simplify right side
1,705,784.08x = 2,192,321,489,038.46 - Step 5: Solve for x
x = 2,192,321,489,038.46/1,705,784.08 - Step 6: Final answer
x = 1,285,228.02
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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.