Finding the Fourth Proportional to 1,759,333.12, 2,639,216.99 and 621,860.76
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Solution
The fourth proportional to 1,759,333.12, 2,639,216.99 and 621,860.76 is: 932,867.95
Step by Step Solution
- Step 1: Write the proportion equation
1,759,333.12 : 2,639,216.99 = 621,860.76 : x - Step 2: Convert to fraction form
1,759,333.12/2,639,216.99 = 621,860.76/x - Step 3: Cross multiply
1,759,333.12x = 2,639,216.99 × 621,860.76 - Step 4: Simplify right side
1,759,333.12x = 1,641,225,484,760.96 - Step 5: Solve for x
x = 1,641,225,484,760.96/1,759,333.12 - Step 6: Final answer
x = 932,867.95
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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.