Home / 1,229,856.06-1,697,203.95-685,977.84

Finding the Fourth Proportional to 1,229,856.06, 1,697,203.95 and 685,977.84

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Solution

The fourth proportional to 1,229,856.06, 1,697,203.95 and 685,977.84 is: 946,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,856.06 : 1,697,203.95 = 685,977.84 : x
  2. Step 2: Convert to fraction form
    1,229,856.06/1,697,203.95 = 685,977.84/x
  3. Step 3: Cross multiply
    1,229,856.06x = 1,697,203.95 × 685,977.84
  4. Step 4: Simplify right side
    1,229,856.06x = 1,164,244,299,660.47
  5. Step 5: Solve for x
    x = 1,164,244,299,660.47/1,229,856.06
  6. Step 6: Final answer
    x = 946,650.86

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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.