Home / 854,908.44-1,179,808.38-472,928.64

Finding the Fourth Proportional to 854,908.44, 1,179,808.38 and 472,928.64

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Solution

The fourth proportional to 854,908.44, 1,179,808.38 and 472,928.64 is: 652,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,908.44 : 1,179,808.38 = 472,928.64 : x
  2. Step 2: Convert to fraction form
    854,908.44/1,179,808.38 = 472,928.64/x
  3. Step 3: Cross multiply
    854,908.44x = 1,179,808.38 × 472,928.64
  4. Step 4: Simplify right side
    854,908.44x = 557,965,172,614.00
  5. Step 5: Solve for x
    x = 557,965,172,614.00/854,908.44
  6. Step 6: Final answer
    x = 652,660.74

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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.