Home / 366,311.34-505,514.70-238,913.82

Finding the Fourth Proportional to 366,311.34, 505,514.70 and 238,913.82

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Solution

The fourth proportional to 366,311.34, 505,514.70 and 238,913.82 is: 329,704.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,311.34 : 505,514.70 = 238,913.82 : x
  2. Step 2: Convert to fraction form
    366,311.34/505,514.70 = 238,913.82/x
  3. Step 3: Cross multiply
    366,311.34x = 505,514.70 × 238,913.82
  4. Step 4: Simplify right side
    366,311.34x = 120,774,448,043.15
  5. Step 5: Solve for x
    x = 120,774,448,043.15/366,311.34
  6. Step 6: Final answer
    x = 329,704.37

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1.5x scale

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.