Home / 1,183,800.43-1,633,642.45-639,936.55

Finding the Fourth Proportional to 1,183,800.43, 1,633,642.45 and 639,936.55

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Solution

The fourth proportional to 1,183,800.43, 1,633,642.45 and 639,936.55 is: 883,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,800.43 : 1,633,642.45 = 639,936.55 : x
  2. Step 2: Convert to fraction form
    1,183,800.43/1,633,642.45 = 639,936.55/x
  3. Step 3: Cross multiply
    1,183,800.43x = 1,633,642.45 × 639,936.55
  4. Step 4: Simplify right side
    1,183,800.43x = 1,045,427,513,386.55
  5. Step 5: Solve for x
    x = 1,045,427,513,386.55/1,183,800.43
  6. Step 6: Final answer
    x = 883,111.28

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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.