Home / 1,111,144.41-1,533,373.97-621,113.82

Finding the Fourth Proportional to 1,111,144.41, 1,533,373.97 and 621,113.82

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Solution

The fourth proportional to 1,111,144.41, 1,533,373.97 and 621,113.82 is: 857,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,144.41 : 1,533,373.97 = 621,113.82 : x
  2. Step 2: Convert to fraction form
    1,111,144.41/1,533,373.97 = 621,113.82/x
  3. Step 3: Cross multiply
    1,111,144.41x = 1,533,373.97 × 621,113.82
  4. Step 4: Simplify right side
    1,111,144.41x = 952,399,765,511.66
  5. Step 5: Solve for x
    x = 952,399,765,511.66/1,111,144.41
  6. Step 6: Final answer
    x = 857,134.10

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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.