Home / 285,734.88-428,514.83-197,555.04

Finding the Fourth Proportional to 285,734.88, 428,514.83 and 197,555.04

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Solution

The fourth proportional to 285,734.88, 428,514.83 and 197,555.04 is: 296,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,734.88 : 428,514.83 = 197,555.04 : x
  2. Step 2: Convert to fraction form
    285,734.88/428,514.83 = 197,555.04/x
  3. Step 3: Cross multiply
    285,734.88x = 428,514.83 × 197,555.04
  4. Step 4: Simplify right side
    285,734.88x = 84,655,263,393.47
  5. Step 5: Solve for x
    x = 84,655,263,393.47/285,734.88
  6. Step 6: Final answer
    x = 296,272.07

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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.