Home / 702,661.05-1,053,833.78-323,217.32

Finding the Fourth Proportional to 702,661.05, 1,053,833.78 and 323,217.32

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Solution

The fourth proportional to 702,661.05, 1,053,833.78 and 323,217.32 is: 484,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,661.05 : 1,053,833.78 = 323,217.32 : x
  2. Step 2: Convert to fraction form
    702,661.05/1,053,833.78 = 323,217.32/x
  3. Step 3: Cross multiply
    702,661.05x = 1,053,833.78 × 323,217.32
  4. Step 4: Simplify right side
    702,661.05x = 340,617,325,635.94
  5. Step 5: Solve for x
    x = 340,617,325,635.94/702,661.05
  6. Step 6: Final answer
    x = 484,753.39

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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.