Home / 854,628.44-1,179,410.91-472,679.42

Finding the Fourth Proportional to 854,628.44, 1,179,410.91 and 472,679.42

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Solution

The fourth proportional to 854,628.44, 1,179,410.91 and 472,679.42 is: 652,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,628.44 : 1,179,410.91 = 472,679.42 : x
  2. Step 2: Convert to fraction form
    854,628.44/1,179,410.91 = 472,679.42/x
  3. Step 3: Cross multiply
    854,628.44x = 1,179,410.91 × 472,679.42
  4. Step 4: Simplify right side
    854,628.44x = 557,483,264,880.47
  5. Step 5: Solve for x
    x = 557,483,264,880.47/854,628.44
  6. Step 6: Final answer
    x = 652,310.69

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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.