Home / 854,956.19-1,179,874.28-472,976.39

Finding the Fourth Proportional to 854,956.19, 1,179,874.28 and 472,976.39

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Solution

The fourth proportional to 854,956.19, 1,179,874.28 and 472,976.39 is: 652,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,956.19 : 1,179,874.28 = 472,976.39 : x
  2. Step 2: Convert to fraction form
    854,956.19/1,179,874.28 = 472,976.39/x
  3. Step 3: Cross multiply
    854,956.19x = 1,179,874.28 × 472,976.39
  4. Step 4: Simplify right side
    854,956.19x = 558,052,677,608.25
  5. Step 5: Solve for x
    x = 558,052,677,608.25/854,956.19
  6. Step 6: Final answer
    x = 652,726.64

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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.