Finding the Fourth Proportional to 934,905.60, 1,400,284.80 and 491,155.20
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Solution
The fourth proportional to 934,905.60, 1,400,284.80 and 491,155.20 is: 735,643.43
Step by Step Solution
- Step 1: Write the proportion equation
934,905.60 : 1,400,284.80 = 491,155.20 : x - Step 2: Convert to fraction form
934,905.60/1,400,284.80 = 491,155.20/x - Step 3: Cross multiply
934,905.60x = 1,400,284.80 × 491,155.20 - Step 4: Simplify right side
934,905.60x = 687,757,161,000.96 - Step 5: Solve for x
x = 687,757,161,000.96/934,905.60 - Step 6: Final answer
x = 735,643.43
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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.