Finding the Fourth Proportional to 741,070.42, 1,022,688.79 and 435,153.57
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Solution
The fourth proportional to 741,070.42, 1,022,688.79 and 435,153.57 is: 600,518.74
Step by Step Solution
- Step 1: Write the proportion equation
741,070.42 : 1,022,688.79 = 435,153.57 : x - Step 2: Convert to fraction form
741,070.42/1,022,688.79 = 435,153.57/x - Step 3: Cross multiply
741,070.42x = 1,022,688.79 × 435,153.57 - Step 4: Simplify right side
741,070.42x = 445,026,673,044.51 - Step 5: Solve for x
x = 445,026,673,044.51/741,070.42 - Step 6: Final answer
x = 600,518.74
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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.