Home / 692,084.24-955,143.04-420,089.44

Finding the Fourth Proportional to 692,084.24, 955,143.04 and 420,089.44

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Solution

The fourth proportional to 692,084.24, 955,143.04 and 420,089.44 is: 579,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,084.24 : 955,143.04 = 420,089.44 : x
  2. Step 2: Convert to fraction form
    692,084.24/955,143.04 = 420,089.44/x
  3. Step 3: Cross multiply
    692,084.24x = 955,143.04 × 420,089.44
  4. Step 4: Simplify right side
    692,084.24x = 401,245,504,793.50
  5. Step 5: Solve for x
    x = 401,245,504,793.50/692,084.24
  6. Step 6: Final answer
    x = 579,763.97

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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.