Home / 645,215.56-967,626.54-171,839.44

Finding the Fourth Proportional to 645,215.56, 967,626.54 and 171,839.44

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Solution

The fourth proportional to 645,215.56, 967,626.54 and 171,839.44 is: 257,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,215.56 : 967,626.54 = 171,839.44 : x
  2. Step 2: Convert to fraction form
    645,215.56/967,626.54 = 171,839.44/x
  3. Step 3: Cross multiply
    645,215.56x = 967,626.54 × 171,839.44
  4. Step 4: Simplify right side
    645,215.56x = 166,276,402,762.74
  5. Step 5: Solve for x
    x = 166,276,402,762.74/645,215.56
  6. Step 6: Final answer
    x = 257,706.75

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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.