Finding the Fourth Proportional to 684,930.32, 945,152.52 and 383,066
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Solution
The fourth proportional to 684,930.32, 945,152.52 and 383,066 is: 528,602.38
Step by Step Solution
- Step 1: Write the proportion equation
684,930.32 : 945,152.52 = 383,066 : x - Step 2: Convert to fraction form
684,930.32/945,152.52 = 383,066/x - Step 3: Cross multiply
684,930.32x = 945,152.52 × 383,066 - Step 4: Simplify right side
684,930.32x = 362,055,795,226.32 - Step 5: Solve for x
x = 362,055,795,226.32/684,930.32 - Step 6: Final answer
x = 528,602.38
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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.