Home / 729,057.60-1,093,586.40-448,732.80

Finding the Fourth Proportional to 729,057.60, 1,093,586.40 and 448,732.80

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Solution

The fourth proportional to 729,057.60, 1,093,586.40 and 448,732.80 is: 673,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,057.60 : 1,093,586.40 = 448,732.80 : x
  2. Step 2: Convert to fraction form
    729,057.60/1,093,586.40 = 448,732.80/x
  3. Step 3: Cross multiply
    729,057.60x = 1,093,586.40 × 448,732.80
  4. Step 4: Simplify right side
    729,057.60x = 490,728,087,313.92
  5. Step 5: Solve for x
    x = 490,728,087,313.92/729,057.60
  6. Step 6: Final answer
    x = 673,099.20

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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.