Home / 1,225,206.96-1,836,610.59-685,726.71

Finding the Fourth Proportional to 1,225,206.96, 1,836,610.59 and 685,726.71

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Solution

The fourth proportional to 1,225,206.96, 1,836,610.59 and 685,726.71 is: 1,027,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,206.96 : 1,836,610.59 = 685,726.71 : x
  2. Step 2: Convert to fraction form
    1,225,206.96/1,836,610.59 = 685,726.71/x
  3. Step 3: Cross multiply
    1,225,206.96x = 1,836,610.59 × 685,726.71
  4. Step 4: Simplify right side
    1,225,206.96x = 1,259,412,937,431.86
  5. Step 5: Solve for x
    x = 1,259,412,937,431.86/1,225,206.96
  6. Step 6: Final answer
    x = 1,027,918.53

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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.