Finding the Fourth Proportional to 1,257,098.74, 1,734,675.75 and 705,688.00
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Solution
The fourth proportional to 1,257,098.74, 1,734,675.75 and 705,688.00 is: 973,781.79
Step by Step Solution
- Step 1: Write the proportion equation
1,257,098.74 : 1,734,675.75 = 705,688.00 : x - Step 2: Convert to fraction form
1,257,098.74/1,734,675.75 = 705,688.00/x - Step 3: Cross multiply
1,257,098.74x = 1,734,675.75 × 705,688.00 - Step 4: Simplify right side
1,257,098.74x = 1,224,139,856,329.31 - Step 5: Solve for x
x = 1,224,139,856,329.31/1,257,098.74 - Step 6: Final answer
x = 973,781.79
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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.