Home / 1,064,819.28-1,469,430.90-605,923.68

Finding the Fourth Proportional to 1,064,819.28, 1,469,430.90 and 605,923.68

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Solution

The fourth proportional to 1,064,819.28, 1,469,430.90 and 605,923.68 is: 836,163.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064,819.28 : 1,469,430.90 = 605,923.68 : x
  2. Step 2: Convert to fraction form
    1,064,819.28/1,469,430.90 = 605,923.68/x
  3. Step 3: Cross multiply
    1,064,819.28x = 1,469,430.90 × 605,923.68
  4. Step 4: Simplify right side
    1,064,819.28x = 890,362,978,433.71
  5. Step 5: Solve for x
    x = 890,362,978,433.71/1,064,819.28
  6. Step 6: Final answer
    x = 836,163.46

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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.