Home / 816,085.53-1,126,204.25-453,543.39

Finding the Fourth Proportional to 816,085.53, 1,126,204.25 and 453,543.39

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Solution

The fourth proportional to 816,085.53, 1,126,204.25 and 453,543.39 is: 625,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,085.53 : 1,126,204.25 = 453,543.39 : x
  2. Step 2: Convert to fraction form
    816,085.53/1,126,204.25 = 453,543.39/x
  3. Step 3: Cross multiply
    816,085.53x = 1,126,204.25 × 453,543.39
  4. Step 4: Simplify right side
    816,085.53x = 510,782,491,109.69
  5. Step 5: Solve for x
    x = 510,782,491,109.69/816,085.53
  6. Step 6: Final answer
    x = 625,893.33

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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.