Home / 859,536.14-1,289,863.65-327,061.58

Finding the Fourth Proportional to 859,536.14, 1,289,863.65 and 327,061.58

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Solution

The fourth proportional to 859,536.14, 1,289,863.65 and 327,061.58 is: 490,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,536.14 : 1,289,863.65 = 327,061.58 : x
  2. Step 2: Convert to fraction form
    859,536.14/1,289,863.65 = 327,061.58/x
  3. Step 3: Cross multiply
    859,536.14x = 1,289,863.65 × 327,061.58
  4. Step 4: Simplify right side
    859,536.14x = 421,864,843,353.57
  5. Step 5: Solve for x
    x = 421,864,843,353.57/859,536.14
  6. Step 6: Final answer
    x = 490,805.24

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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.