Home / 989,633.62-1,484,450.43-568,640.98

Finding the Fourth Proportional to 989,633.62, 1,484,450.43 and 568,640.98

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Solution

The fourth proportional to 989,633.62, 1,484,450.43 and 568,640.98 is: 852,961.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,633.62 : 1,484,450.43 = 568,640.98 : x
  2. Step 2: Convert to fraction form
    989,633.62/1,484,450.43 = 568,640.98/x
  3. Step 3: Cross multiply
    989,633.62x = 1,484,450.43 × 568,640.98
  4. Step 4: Simplify right side
    989,633.62x = 844,119,347,276.62
  5. Step 5: Solve for x
    x = 844,119,347,276.62/989,633.62
  6. Step 6: Final answer
    x = 852,961.47

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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.