Home / 526,911.22-790,514.79-211,589.56

Finding the Fourth Proportional to 526,911.22, 790,514.79 and 211,589.56

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Solution

The fourth proportional to 526,911.22, 790,514.79 and 211,589.56 is: 317,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,911.22 : 790,514.79 = 211,589.56 : x
  2. Step 2: Convert to fraction form
    526,911.22/790,514.79 = 211,589.56/x
  3. Step 3: Cross multiply
    526,911.22x = 790,514.79 × 211,589.56
  4. Step 4: Simplify right side
    526,911.22x = 167,264,676,589.59
  5. Step 5: Solve for x
    x = 167,264,676,589.59/526,911.22
  6. Step 6: Final answer
    x = 317,443.76

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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.