Home / 874,543.26-1,312,514.73-453,939.42

Finding the Fourth Proportional to 874,543.26, 1,312,514.73 and 453,939.42

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Solution

The fourth proportional to 874,543.26, 1,312,514.73 and 453,939.42 is: 681,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,543.26 : 1,312,514.73 = 453,939.42 : x
  2. Step 2: Convert to fraction form
    874,543.26/1,312,514.73 = 453,939.42/x
  3. Step 3: Cross multiply
    874,543.26x = 1,312,514.73 × 453,939.42
  4. Step 4: Simplify right side
    874,543.26x = 595,802,175,277.66
  5. Step 5: Solve for x
    x = 595,802,175,277.66/874,543.26
  6. Step 6: Final answer
    x = 681,272.39

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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.