Finding the Fourth Proportional to 692,273.70, 1,036,660.95 and 552,305.70
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Solution
The fourth proportional to 692,273.70, 1,036,660.95 and 552,305.70 is: 827,062.69
Step by Step Solution
- Step 1: Write the proportion equation
692,273.70 : 1,036,660.95 = 552,305.70 : x - Step 2: Convert to fraction form
692,273.70/1,036,660.95 = 552,305.70/x - Step 3: Cross multiply
692,273.70x = 1,036,660.95 × 552,305.70 - Step 4: Simplify right side
692,273.70x = 572,553,751,652.42 - Step 5: Solve for x
x = 572,553,751,652.42/692,273.70 - Step 6: Final answer
x = 827,062.69
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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.