Home / 854,764.52-1,179,495.88-472,783.08

Finding the Fourth Proportional to 854,764.52, 1,179,495.88 and 472,783.08

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Solution

The fourth proportional to 854,764.52, 1,179,495.88 and 472,783.08 is: 652,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,764.52 : 1,179,495.88 = 472,783.08 : x
  2. Step 2: Convert to fraction form
    854,764.52/1,179,495.88 = 472,783.08/x
  3. Step 3: Cross multiply
    854,764.52x = 1,179,495.88 × 472,783.08
  4. Step 4: Simplify right side
    854,764.52x = 557,645,694,993.71
  5. Step 5: Solve for x
    x = 557,645,694,993.71/854,764.52
  6. Step 6: Final answer
    x = 652,396.87

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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.