Home / 405,067.24-558,990.12-223,790.86

Finding the Fourth Proportional to 405,067.24, 558,990.12 and 223,790.86

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Solution

The fourth proportional to 405,067.24, 558,990.12 and 223,790.86 is: 308,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,067.24 : 558,990.12 = 223,790.86 : x
  2. Step 2: Convert to fraction form
    405,067.24/558,990.12 = 223,790.86/x
  3. Step 3: Cross multiply
    405,067.24x = 558,990.12 × 223,790.86
  4. Step 4: Simplify right side
    405,067.24x = 125,096,879,686.30
  5. Step 5: Solve for x
    x = 125,096,879,686.30/405,067.24
  6. Step 6: Final answer
    x = 308,829.91

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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.