Home / 504,976.23-696,869.60-278,621.73

Finding the Fourth Proportional to 504,976.23, 696,869.60 and 278,621.73

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Solution

The fourth proportional to 504,976.23, 696,869.60 and 278,621.73 is: 384,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,976.23 : 696,869.60 = 278,621.73 : x
  2. Step 2: Convert to fraction form
    504,976.23/696,869.60 = 278,621.73/x
  3. Step 3: Cross multiply
    504,976.23x = 696,869.60 × 278,621.73
  4. Step 4: Simplify right side
    504,976.23x = 194,163,012,143.30
  5. Step 5: Solve for x
    x = 194,163,012,143.30/504,976.23
  6. Step 6: Final answer
    x = 384,499.31

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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.