Home / 654,117.58-981,176.38-204,873.60

Finding the Fourth Proportional to 654,117.58, 981,176.38 and 204,873.60

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Solution

The fourth proportional to 654,117.58, 981,176.38 and 204,873.60 is: 307,310.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,117.58 : 981,176.38 = 204,873.60 : x
  2. Step 2: Convert to fraction form
    654,117.58/981,176.38 = 204,873.60/x
  3. Step 3: Cross multiply
    654,117.58x = 981,176.38 × 204,873.60
  4. Step 4: Simplify right side
    654,117.58x = 201,017,137,205.57
  5. Step 5: Solve for x
    x = 201,017,137,205.57/654,117.58
  6. Step 6: Final answer
    x = 307,310.40

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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.