Home / 1,183,801.43-1,633,643.83-639,937.55

Finding the Fourth Proportional to 1,183,801.43, 1,633,643.83 and 639,937.55

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Solution

The fourth proportional to 1,183,801.43, 1,633,643.83 and 639,937.55 is: 883,112.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,801.43 : 1,633,643.83 = 639,937.55 : x
  2. Step 2: Convert to fraction form
    1,183,801.43/1,633,643.83 = 639,937.55/x
  3. Step 3: Cross multiply
    1,183,801.43x = 1,633,643.83 × 639,937.55
  4. Step 4: Simplify right side
    1,183,801.43x = 1,045,430,030,142.82
  5. Step 5: Solve for x
    x = 1,045,430,030,142.82/1,183,801.43
  6. Step 6: Final answer
    x = 883,112.66

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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.