Home / 682,719.03-1,023,761.61-398,491.65

Finding the Fourth Proportional to 682,719.03, 1,023,761.61 and 398,491.65

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Solution

The fourth proportional to 682,719.03, 1,023,761.61 and 398,491.65 is: 597,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,719.03 : 1,023,761.61 = 398,491.65 : x
  2. Step 2: Convert to fraction form
    682,719.03/1,023,761.61 = 398,491.65/x
  3. Step 3: Cross multiply
    682,719.03x = 1,023,761.61 × 398,491.65
  4. Step 4: Simplify right side
    682,719.03x = 407,960,453,175.56
  5. Step 5: Solve for x
    x = 407,960,453,175.56/682,719.03
  6. Step 6: Final answer
    x = 597,552.49

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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.