Home / 1,054,389.80-1,581,584.70-1,002,780.20

Finding the Fourth Proportional to 1,054,389.80, 1,581,584.70 and 1,002,780.20

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Solution

The fourth proportional to 1,054,389.80, 1,581,584.70 and 1,002,780.20 is: 1,504,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,389.80 : 1,581,584.70 = 1,002,780.20 : x
  2. Step 2: Convert to fraction form
    1,054,389.80/1,581,584.70 = 1,002,780.20/x
  3. Step 3: Cross multiply
    1,054,389.80x = 1,581,584.70 × 1,002,780.20
  4. Step 4: Simplify right side
    1,054,389.80x = 1,585,981,821,782.94
  5. Step 5: Solve for x
    x = 1,585,981,821,782.94/1,054,389.80
  6. Step 6: Final answer
    x = 1,504,170.30

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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.