Home / 654,390.50-981,598.06-205,101.44

Finding the Fourth Proportional to 654,390.50, 981,598.06 and 205,101.44

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Solution

The fourth proportional to 654,390.50, 981,598.06 and 205,101.44 is: 307,656.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,390.50 : 981,598.06 = 205,101.44 : x
  2. Step 2: Convert to fraction form
    654,390.50/981,598.06 = 205,101.44/x
  3. Step 3: Cross multiply
    654,390.50x = 981,598.06 × 205,101.44
  4. Step 4: Simplify right side
    654,390.50x = 201,327,175,607.21
  5. Step 5: Solve for x
    x = 201,327,175,607.21/654,390.50
  6. Step 6: Final answer
    x = 307,656.02

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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.