Home / 1,253,586.20-1,879,673.25-400,457.48

Finding the Fourth Proportional to 1,253,586.20, 1,879,673.25 and 400,457.48

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Solution

The fourth proportional to 1,253,586.20, 1,879,673.25 and 400,457.48 is: 600,460.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,586.20 : 1,879,673.25 = 400,457.48 : x
  2. Step 2: Convert to fraction form
    1,253,586.20/1,879,673.25 = 400,457.48/x
  3. Step 3: Cross multiply
    1,253,586.20x = 1,879,673.25 × 400,457.48
  4. Step 4: Simplify right side
    1,253,586.20x = 752,729,212,918.41
  5. Step 5: Solve for x
    x = 752,729,212,918.41/1,253,586.20
  6. Step 6: Final answer
    x = 600,460.67

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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.