Home / 1,067,107.62-1,600,661.34-436,020.78

Finding the Fourth Proportional to 1,067,107.62, 1,600,661.34 and 436,020.78

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Solution

The fourth proportional to 1,067,107.62, 1,600,661.34 and 436,020.78 is: 654,031.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,107.62 : 1,600,661.34 = 436,020.78 : x
  2. Step 2: Convert to fraction form
    1,067,107.62/1,600,661.34 = 436,020.78/x
  3. Step 3: Cross multiply
    1,067,107.62x = 1,600,661.34 × 436,020.78
  4. Step 4: Simplify right side
    1,067,107.62x = 697,921,605,982.65
  5. Step 5: Solve for x
    x = 697,921,605,982.65/1,067,107.62
  6. Step 6: Final answer
    x = 654,031.13

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1.5x scale

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.