Finding the Fourth Proportional to 1,785,590.11, 2,463,730.99 and 1,060,682.23
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Solution
The fourth proportional to 1,785,590.11, 2,463,730.99 and 1,060,682.23 is: 1,463,513.75
Step by Step Solution
- Step 1: Write the proportion equation
1,785,590.11 : 2,463,730.99 = 1,060,682.23 : x - Step 2: Convert to fraction form
1,785,590.11/2,463,730.99 = 1,060,682.23/x - Step 3: Cross multiply
1,785,590.11x = 2,463,730.99 × 1,060,682.23 - Step 4: Simplify right side
1,785,590.11x = 2,613,235,680,593.31 - Step 5: Solve for x
x = 2,613,235,680,593.31/1,785,590.11 - Step 6: Final answer
x = 1,463,513.75
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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.