Home / 677,628.18-1,016,530.56-204,361.38

Finding the Fourth Proportional to 677,628.18, 1,016,530.56 and 204,361.38

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Solution

The fourth proportional to 677,628.18, 1,016,530.56 and 204,361.38 is: 306,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,628.18 : 1,016,530.56 = 204,361.38 : x
  2. Step 2: Convert to fraction form
    677,628.18/1,016,530.56 = 204,361.38/x
  3. Step 3: Cross multiply
    677,628.18x = 1,016,530.56 × 204,361.38
  4. Step 4: Simplify right side
    677,628.18x = 207,739,588,053.77
  5. Step 5: Solve for x
    x = 207,739,588,053.77/677,628.18
  6. Step 6: Final answer
    x = 306,568.70

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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.