Home / 436,276.06-654,428.69-120,706.54

Finding the Fourth Proportional to 436,276.06, 654,428.69 and 120,706.54

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Solution

The fourth proportional to 436,276.06, 654,428.69 and 120,706.54 is: 181,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,276.06 : 654,428.69 = 120,706.54 : x
  2. Step 2: Convert to fraction form
    436,276.06/654,428.69 = 120,706.54/x
  3. Step 3: Cross multiply
    436,276.06x = 654,428.69 × 120,706.54
  4. Step 4: Simplify right side
    436,276.06x = 78,993,822,846.63
  5. Step 5: Solve for x
    x = 78,993,822,846.63/436,276.06
  6. Step 6: Final answer
    x = 181,063.85

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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.