Home / 579,326.72-869,045.94-179,860.23

Finding the Fourth Proportional to 579,326.72, 869,045.94 and 179,860.23

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Solution

The fourth proportional to 579,326.72, 869,045.94 and 179,860.23 is: 269,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,326.72 : 869,045.94 = 179,860.23 : x
  2. Step 2: Convert to fraction form
    579,326.72/869,045.94 = 179,860.23/x
  3. Step 3: Cross multiply
    579,326.72x = 869,045.94 × 179,860.23
  4. Step 4: Simplify right side
    579,326.72x = 156,306,802,648.97
  5. Step 5: Solve for x
    x = 156,306,802,648.97/579,326.72
  6. Step 6: Final answer
    x = 269,807.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.