Home / 430,769.60-594,455.68-239,782.72

Finding the Fourth Proportional to 430,769.60, 594,455.68 and 239,782.72

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Solution

The fourth proportional to 430,769.60, 594,455.68 and 239,782.72 is: 330,896.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,769.60 : 594,455.68 = 239,782.72 : x
  2. Step 2: Convert to fraction form
    430,769.60/594,455.68 = 239,782.72/x
  3. Step 3: Cross multiply
    430,769.60x = 594,455.68 × 239,782.72
  4. Step 4: Simplify right side
    430,769.60x = 142,540,199,869.85
  5. Step 5: Solve for x
    x = 142,540,199,869.85/430,769.60
  6. Step 6: Final answer
    x = 330,896.61

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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.