Home / 1,395,873.41-1,926,169.27-783,887.02

Finding the Fourth Proportional to 1,395,873.41, 1,926,169.27 and 783,887.02

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Solution

The fourth proportional to 1,395,873.41, 1,926,169.27 and 783,887.02 is: 1,081,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,873.41 : 1,926,169.27 = 783,887.02 : x
  2. Step 2: Convert to fraction form
    1,395,873.41/1,926,169.27 = 783,887.02/x
  3. Step 3: Cross multiply
    1,395,873.41x = 1,926,169.27 × 783,887.02
  4. Step 4: Simplify right side
    1,395,873.41x = 1,509,899,082,300.73
  5. Step 5: Solve for x
    x = 1,509,899,082,300.73/1,395,873.41
  6. Step 6: Final answer
    x = 1,081,687.69

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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.