Home / 610,780.24-843,272.58-393,086.44

Finding the Fourth Proportional to 610,780.24, 843,272.58 and 393,086.44

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Solution

The fourth proportional to 610,780.24, 843,272.58 and 393,086.44 is: 542,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,780.24 : 843,272.58 = 393,086.44 : x
  2. Step 2: Convert to fraction form
    610,780.24/843,272.58 = 393,086.44/x
  3. Step 3: Cross multiply
    610,780.24x = 843,272.58 × 393,086.44
  4. Step 4: Simplify right side
    610,780.24x = 331,479,016,421.82
  5. Step 5: Solve for x
    x = 331,479,016,421.82/610,780.24
  6. Step 6: Final answer
    x = 542,714.05

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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.