Home / 859,535.14-1,289,862.16-327,060.58

Finding the Fourth Proportional to 859,535.14, 1,289,862.16 and 327,060.58

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Solution

The fourth proportional to 859,535.14, 1,289,862.16 and 327,060.58 is: 490,803.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,535.14 : 1,289,862.16 = 327,060.58 : x
  2. Step 2: Convert to fraction form
    859,535.14/1,289,862.16 = 327,060.58/x
  3. Step 3: Cross multiply
    859,535.14x = 1,289,862.16 × 327,060.58
  4. Step 4: Simplify right side
    859,535.14x = 421,863,066,169.65
  5. Step 5: Solve for x
    x = 421,863,066,169.65/859,535.14
  6. Step 6: Final answer
    x = 490,803.75

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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.