Finding the Fourth Proportional to 1,189,569.24, 1,641,560.99 and 645,693.32
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Solution
The fourth proportional to 1,189,569.24, 1,641,560.99 and 645,693.32 is: 891,032.59
Step by Step Solution
- Step 1: Write the proportion equation
1,189,569.24 : 1,641,560.99 = 645,693.32 : x - Step 2: Convert to fraction form
1,189,569.24/1,641,560.99 = 645,693.32/x - Step 3: Cross multiply
1,189,569.24x = 1,641,560.99 × 645,693.32 - Step 4: Simplify right side
1,189,569.24x = 1,059,944,966,491.02 - Step 5: Solve for x
x = 1,059,944,966,491.02/1,189,569.24 - Step 6: Final answer
x = 891,032.59
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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.