Home / 753,987.06-1,131,349.59-354,668.04

Finding the Fourth Proportional to 753,987.06, 1,131,349.59 and 354,668.04

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Solution

The fourth proportional to 753,987.06, 1,131,349.59 and 354,668.04 is: 532,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,987.06 : 1,131,349.59 = 354,668.04 : x
  2. Step 2: Convert to fraction form
    753,987.06/1,131,349.59 = 354,668.04/x
  3. Step 3: Cross multiply
    753,987.06x = 1,131,349.59 × 354,668.04
  4. Step 4: Simplify right side
    753,987.06x = 401,253,541,640.10
  5. Step 5: Solve for x
    x = 401,253,541,640.10/753,987.06
  6. Step 6: Final answer
    x = 532,175.63

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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.