Home / 653,222.03-979,451.67-253,395.59

Finding the Fourth Proportional to 653,222.03, 979,451.67 and 253,395.59

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Solution

The fourth proportional to 653,222.03, 979,451.67 and 253,395.59 is: 379,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,222.03 : 979,451.67 = 253,395.59 : x
  2. Step 2: Convert to fraction form
    653,222.03/979,451.67 = 253,395.59/x
  3. Step 3: Cross multiply
    653,222.03x = 979,451.67 × 253,395.59
  4. Step 4: Simplify right side
    653,222.03x = 248,188,733,796.14
  5. Step 5: Solve for x
    x = 248,188,733,796.14/653,222.03
  6. Step 6: Final answer
    x = 379,945.44

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1.5x scale

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.