Finding the Fourth Proportional to 1,223,220.11, 1,688,064.63 and 671,959.07
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Solution
The fourth proportional to 1,223,220.11, 1,688,064.63 and 671,959.07 is: 927,314.99
Step by Step Solution
- Step 1: Write the proportion equation
1,223,220.11 : 1,688,064.63 = 671,959.07 : x - Step 2: Convert to fraction form
1,223,220.11/1,688,064.63 = 671,959.07/x - Step 3: Cross multiply
1,223,220.11x = 1,688,064.63 × 671,959.07 - Step 4: Simplify right side
1,223,220.11x = 1,134,310,341,414.96 - Step 5: Solve for x
x = 1,134,310,341,414.96/1,223,220.11 - Step 6: Final answer
x = 927,314.99
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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.