Home / 639,269.38-958,621.62-239,629.83

Finding the Fourth Proportional to 639,269.38, 958,621.62 and 239,629.83

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Solution

The fourth proportional to 639,269.38, 958,621.62 and 239,629.83 is: 359,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,269.38 : 958,621.62 = 239,629.83 : x
  2. Step 2: Convert to fraction form
    639,269.38/958,621.62 = 239,629.83/x
  3. Step 3: Cross multiply
    639,269.38x = 958,621.62 × 239,629.83
  4. Step 4: Simplify right side
    639,269.38x = 229,714,335,834.93
  5. Step 5: Solve for x
    x = 229,714,335,834.93/639,269.38
  6. Step 6: Final answer
    x = 359,338.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.