Home / 470,209.17-648,901.53-276,630.51

Finding the Fourth Proportional to 470,209.17, 648,901.53 and 276,630.51

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Solution

The fourth proportional to 470,209.17, 648,901.53 and 276,630.51 is: 381,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,209.17 : 648,901.53 = 276,630.51 : x
  2. Step 2: Convert to fraction form
    470,209.17/648,901.53 = 276,630.51/x
  3. Step 3: Cross multiply
    470,209.17x = 648,901.53 × 276,630.51
  4. Step 4: Simplify right side
    470,209.17x = 179,505,961,183.68
  5. Step 5: Solve for x
    x = 179,505,961,183.68/470,209.17
  6. Step 6: Final answer
    x = 381,757.68

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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.