Home / 383,060.97-528,619.14-210,975.66

Finding the Fourth Proportional to 383,060.97, 528,619.14 and 210,975.66

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Solution

The fourth proportional to 383,060.97, 528,619.14 and 210,975.66 is: 291,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,060.97 : 528,619.14 = 210,975.66 : x
  2. Step 2: Convert to fraction form
    383,060.97/528,619.14 = 210,975.66/x
  3. Step 3: Cross multiply
    383,060.97x = 528,619.14 × 210,975.66
  4. Step 4: Simplify right side
    383,060.97x = 111,525,771,950.13
  5. Step 5: Solve for x
    x = 111,525,771,950.13/383,060.97
  6. Step 6: Final answer
    x = 291,143.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.