Home / 1,225,504.02-1,691,171.28-681,628.11

Finding the Fourth Proportional to 1,225,504.02, 1,691,171.28 and 681,628.11

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Solution

The fourth proportional to 1,225,504.02, 1,691,171.28 and 681,628.11 is: 940,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,504.02 : 1,691,171.28 = 681,628.11 : x
  2. Step 2: Convert to fraction form
    1,225,504.02/1,691,171.28 = 681,628.11/x
  3. Step 3: Cross multiply
    1,225,504.02x = 1,691,171.28 × 681,628.11
  4. Step 4: Simplify right side
    1,225,504.02x = 1,152,749,883,272.68
  5. Step 5: Solve for x
    x = 1,152,749,883,272.68/1,225,504.02
  6. Step 6: Final answer
    x = 940,633.29

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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.