Home / 579,912.64-869,849.82-238,344.26

Finding the Fourth Proportional to 579,912.64, 869,849.82 and 238,344.26

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Solution

The fourth proportional to 579,912.64, 869,849.82 and 238,344.26 is: 357,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,912.64 : 869,849.82 = 238,344.26 : x
  2. Step 2: Convert to fraction form
    579,912.64/869,849.82 = 238,344.26/x
  3. Step 3: Cross multiply
    579,912.64x = 869,849.82 × 238,344.26
  4. Step 4: Simplify right side
    579,912.64x = 207,323,707,309.78
  5. Step 5: Solve for x
    x = 207,323,707,309.78/579,912.64
  6. Step 6: Final answer
    x = 357,508.52

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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.