Finding the Fourth Proportional to 1,735,604.70, 2,603,407.05 and 473,430.30
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Solution
The fourth proportional to 1,735,604.70, 2,603,407.05 and 473,430.30 is: 710,145.45
Step by Step Solution
- Step 1: Write the proportion equation
1,735,604.70 : 2,603,407.05 = 473,430.30 : x - Step 2: Convert to fraction form
1,735,604.70/2,603,407.05 = 473,430.30/x - Step 3: Cross multiply
1,735,604.70x = 2,603,407.05 × 473,430.30 - Step 4: Simplify right side
1,735,604.70x = 1,232,531,780,703.62 - Step 5: Solve for x
x = 1,232,531,780,703.62/1,735,604.70 - Step 6: Final answer
x = 710,145.45
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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.