Home / 436,227.94-653,871.30-211,112.74

Finding the Fourth Proportional to 436,227.94, 653,871.30 and 211,112.74

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Solution

The fourth proportional to 436,227.94, 653,871.30 and 211,112.74 is: 316,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,227.94 : 653,871.30 = 211,112.74 : x
  2. Step 2: Convert to fraction form
    436,227.94/653,871.30 = 211,112.74/x
  3. Step 3: Cross multiply
    436,227.94x = 653,871.30 × 211,112.74
  4. Step 4: Simplify right side
    436,227.94x = 138,040,561,750.36
  5. Step 5: Solve for x
    x = 138,040,561,750.36/436,227.94
  6. Step 6: Final answer
    x = 316,441.36

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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.