Home / 1,183,464.69-1,633,188.75-639,599.20

Finding the Fourth Proportional to 1,183,464.69, 1,633,188.75 and 639,599.20

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Solution

The fourth proportional to 1,183,464.69, 1,633,188.75 and 639,599.20 is: 882,650.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,464.69 : 1,633,188.75 = 639,599.20 : x
  2. Step 2: Convert to fraction form
    1,183,464.69/1,633,188.75 = 639,599.20/x
  3. Step 3: Cross multiply
    1,183,464.69x = 1,633,188.75 × 639,599.20
  4. Step 4: Simplify right side
    1,183,464.69x = 1,044,586,217,949.00
  5. Step 5: Solve for x
    x = 1,044,586,217,949.00/1,183,464.69
  6. Step 6: Final answer
    x = 882,650.94

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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.