Home / 419,733.20-579,165.60-235,935.52

Finding the Fourth Proportional to 419,733.20, 579,165.60 and 235,935.52

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Solution

The fourth proportional to 419,733.20, 579,165.60 and 235,935.52 is: 325,553.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,733.20 : 579,165.60 = 235,935.52 : x
  2. Step 2: Convert to fraction form
    419,733.20/579,165.60 = 235,935.52/x
  3. Step 3: Cross multiply
    419,733.20x = 579,165.60 × 235,935.52
  4. Step 4: Simplify right side
    419,733.20x = 136,645,737,002.11
  5. Step 5: Solve for x
    x = 136,645,737,002.11/419,733.20
  6. Step 6: Final answer
    x = 325,553.80

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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.