Home / 538,464.22-743,085.70-296,755.50

Finding the Fourth Proportional to 538,464.22, 743,085.70 and 296,755.50

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Solution

The fourth proportional to 538,464.22, 743,085.70 and 296,755.50 is: 409,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,464.22 : 743,085.70 = 296,755.50 : x
  2. Step 2: Convert to fraction form
    538,464.22/743,085.70 = 296,755.50/x
  3. Step 3: Cross multiply
    538,464.22x = 743,085.70 × 296,755.50
  4. Step 4: Simplify right side
    538,464.22x = 220,514,768,446.35
  5. Step 5: Solve for x
    x = 220,514,768,446.35/538,464.22
  6. Step 6: Final answer
    x = 409,525.39

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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.