Home / 986,514.30-1,361,375.39-550,927.06

Finding the Fourth Proportional to 986,514.30, 1,361,375.39 and 550,927.06

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Solution

The fourth proportional to 986,514.30, 1,361,375.39 and 550,927.06 is: 760,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,514.30 : 1,361,375.39 = 550,927.06 : x
  2. Step 2: Convert to fraction form
    986,514.30/1,361,375.39 = 550,927.06/x
  3. Step 3: Cross multiply
    986,514.30x = 1,361,375.39 × 550,927.06
  4. Step 4: Simplify right side
    986,514.30x = 750,018,541,169.05
  5. Step 5: Solve for x
    x = 750,018,541,169.05/986,514.30
  6. Step 6: Final answer
    x = 760,271.33

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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.