Home / 677,903.07-1,016,841.81-165,576.45

Finding the Fourth Proportional to 677,903.07, 1,016,841.81 and 165,576.45

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Solution

The fourth proportional to 677,903.07, 1,016,841.81 and 165,576.45 is: 248,361.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,903.07 : 1,016,841.81 = 165,576.45 : x
  2. Step 2: Convert to fraction form
    677,903.07/1,016,841.81 = 165,576.45/x
  3. Step 3: Cross multiply
    677,903.07x = 1,016,841.81 × 165,576.45
  4. Step 4: Simplify right side
    677,903.07x = 168,365,057,111.38
  5. Step 5: Solve for x
    x = 168,365,057,111.38/677,903.07
  6. Step 6: Final answer
    x = 248,361.55

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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.