Finding the Fourth Proportional to 997,066.08, 1,495,285.43 and 322,990.99
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Solution
The fourth proportional to 997,066.08, 1,495,285.43 and 322,990.99 is: 484,384.87
Step by Step Solution
- Step 1: Write the proportion equation
997,066.08 : 1,495,285.43 = 322,990.99 : x - Step 2: Convert to fraction form
997,066.08/1,495,285.43 = 322,990.99/x - Step 3: Cross multiply
997,066.08x = 1,495,285.43 × 322,990.99 - Step 4: Simplify right side
997,066.08x = 482,963,721,622.43 - Step 5: Solve for x
x = 482,963,721,622.43/997,066.08 - Step 6: Final answer
x = 484,384.87
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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.