Finding the Fourth Proportional to 934,963.80, 1,402,445.70 and 934,963.80
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Solution
The fourth proportional to 934,963.80, 1,402,445.70 and 934,963.80 is: 1,402,445.70
Step by Step Solution
- Step 1: Write the proportion equation
934,963.80 : 1,402,445.70 = 934,963.80 : x - Step 2: Convert to fraction form
934,963.80/1,402,445.70 = 934,963.80/x - Step 3: Cross multiply
934,963.80x = 1,402,445.70 × 934,963.80 - Step 4: Simplify right side
934,963.80x = 1,311,235,960,965.66 - Step 5: Solve for x
x = 1,311,235,960,965.66/934,963.80 - Step 6: Final answer
x = 1,402,445.70
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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.