Home / 638,789.27-956,190.83-470,499.62

Finding the Fourth Proportional to 638,789.27, 956,190.83 and 470,499.62

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Solution

The fourth proportional to 638,789.27, 956,190.83 and 470,499.62 is: 704,281.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,789.27 : 956,190.83 = 470,499.62 : x
  2. Step 2: Convert to fraction form
    638,789.27/956,190.83 = 470,499.62/x
  3. Step 3: Cross multiply
    638,789.27x = 956,190.83 × 470,499.62
  4. Step 4: Simplify right side
    638,789.27x = 449,887,415,029.03
  5. Step 5: Solve for x
    x = 449,887,415,029.03/638,789.27
  6. Step 6: Final answer
    x = 704,281.43

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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.