Home / 1,577,074.75-2,177,089.70-923,609.85

Finding the Fourth Proportional to 1,577,074.75, 2,177,089.70 and 923,609.85

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Solution

The fourth proportional to 1,577,074.75, 2,177,089.70 and 923,609.85 is: 1,275,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,074.75 : 2,177,089.70 = 923,609.85 : x
  2. Step 2: Convert to fraction form
    1,577,074.75/2,177,089.70 = 923,609.85/x
  3. Step 3: Cross multiply
    1,577,074.75x = 2,177,089.70 × 923,609.85
  4. Step 4: Simplify right side
    1,577,074.75x = 2,010,781,498,974.38
  5. Step 5: Solve for x
    x = 2,010,781,498,974.38/1,577,074.75
  6. Step 6: Final answer
    x = 1,275,007.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.