Finding the Fourth Proportional to 4,403,434.30, 6,605,151.45 and 4,084,569.70
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Solution
The fourth proportional to 4,403,434.30, 6,605,151.45 and 4,084,569.70 is: 6,126,854.55
Step by Step Solution
- Step 1: Write the proportion equation
4,403,434.30 : 6,605,151.45 = 4,084,569.70 : x - Step 2: Convert to fraction form
4,403,434.30/6,605,151.45 = 4,084,569.70/x - Step 3: Cross multiply
4,403,434.30x = 6,605,151.45 × 4,084,569.70 - Step 4: Simplify right side
4,403,434.30x = 26,979,201,476,581.07 - Step 5: Solve for x
x = 26,979,201,476,581.07/4,403,434.30 - Step 6: Final answer
x = 6,126,854.55
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Double scale
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Similar ratio
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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.