Home / 986,476.23-1,361,339.19-550,891.44

Finding the Fourth Proportional to 986,476.23, 1,361,339.19 and 550,891.44

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Solution

The fourth proportional to 986,476.23, 1,361,339.19 and 550,891.44 is: 760,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,476.23 : 1,361,339.19 = 550,891.44 : x
  2. Step 2: Convert to fraction form
    986,476.23/1,361,339.19 = 550,891.44/x
  3. Step 3: Cross multiply
    986,476.23x = 1,361,339.19 × 550,891.44
  4. Step 4: Simplify right side
    986,476.23x = 749,950,106,707.53
  5. Step 5: Solve for x
    x = 749,950,106,707.53/986,476.23
  6. Step 6: Final answer
    x = 760,231.30

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1.5x scale

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.