Home / 654,335.68-981,503.64-205,056.40

Finding the Fourth Proportional to 654,335.68, 981,503.64 and 205,056.40

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Solution

The fourth proportional to 654,335.68, 981,503.64 and 205,056.40 is: 307,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,335.68 : 981,503.64 = 205,056.40 : x
  2. Step 2: Convert to fraction form
    654,335.68/981,503.64 = 205,056.40/x
  3. Step 3: Cross multiply
    654,335.68x = 981,503.64 × 205,056.40
  4. Step 4: Simplify right side
    654,335.68x = 201,263,603,005.30
  5. Step 5: Solve for x
    x = 201,263,603,005.30/654,335.68
  6. Step 6: Final answer
    x = 307,584.64

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Similar ratio
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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.