Home / 827,912.04-1,240,983.90-472,160.04

Finding the Fourth Proportional to 827,912.04, 1,240,983.90 and 472,160.04

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Solution

The fourth proportional to 827,912.04, 1,240,983.90 and 472,160.04 is: 707,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,912.04 : 1,240,983.90 = 472,160.04 : x
  2. Step 2: Convert to fraction form
    827,912.04/1,240,983.90 = 472,160.04/x
  3. Step 3: Cross multiply
    827,912.04x = 1,240,983.90 × 472,160.04
  4. Step 4: Simplify right side
    827,912.04x = 585,943,007,863.36
  5. Step 5: Solve for x
    x = 585,943,007,863.36/827,912.04
  6. Step 6: Final answer
    x = 707,735.82

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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.