Home / 702,661.33-1,053,834.20-323,217.64

Finding the Fourth Proportional to 702,661.33, 1,053,834.20 and 323,217.64

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Solution

The fourth proportional to 702,661.33, 1,053,834.20 and 323,217.64 is: 484,753.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,661.33 : 1,053,834.20 = 323,217.64 : x
  2. Step 2: Convert to fraction form
    702,661.33/1,053,834.20 = 323,217.64/x
  3. Step 3: Cross multiply
    702,661.33x = 1,053,834.20 × 323,217.64
  4. Step 4: Simplify right side
    702,661.33x = 340,617,803,988.56
  5. Step 5: Solve for x
    x = 340,617,803,988.56/702,661.33
  6. Step 6: Final answer
    x = 484,753.88

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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.