Home / 854,954.69-1,179,872.21-472,974.89

Finding the Fourth Proportional to 854,954.69, 1,179,872.21 and 472,974.89

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Solution

The fourth proportional to 854,954.69, 1,179,872.21 and 472,974.89 is: 652,724.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,954.69 : 1,179,872.21 = 472,974.89 : x
  2. Step 2: Convert to fraction form
    854,954.69/1,179,872.21 = 472,974.89/x
  3. Step 3: Cross multiply
    854,954.69x = 1,179,872.21 × 472,974.89
  4. Step 4: Simplify right side
    854,954.69x = 558,049,926,373.93
  5. Step 5: Solve for x
    x = 558,049,926,373.93/854,954.69
  6. Step 6: Final answer
    x = 652,724.56

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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.