Home / 653,223.03-979,453.17-253,396.59

Finding the Fourth Proportional to 653,223.03, 979,453.17 and 253,396.59

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Solution

The fourth proportional to 653,223.03, 979,453.17 and 253,396.59 is: 379,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,223.03 : 979,453.17 = 253,396.59 : x
  2. Step 2: Convert to fraction form
    653,223.03/979,453.17 = 253,396.59/x
  3. Step 3: Cross multiply
    653,223.03x = 979,453.17 × 253,396.59
  4. Step 4: Simplify right side
    653,223.03x = 248,190,093,342.69
  5. Step 5: Solve for x
    x = 248,190,093,342.69/653,223.03
  6. Step 6: Final answer
    x = 379,946.94

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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.