Home / 1,079,435.13-1,489,751.72-626,726.13

Finding the Fourth Proportional to 1,079,435.13, 1,489,751.72 and 626,726.13

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Solution

The fourth proportional to 1,079,435.13, 1,489,751.72 and 626,726.13 is: 864,958.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,435.13 : 1,489,751.72 = 626,726.13 : x
  2. Step 2: Convert to fraction form
    1,079,435.13/1,489,751.72 = 626,726.13/x
  3. Step 3: Cross multiply
    1,079,435.13x = 1,489,751.72 × 626,726.13
  4. Step 4: Simplify right side
    1,079,435.13x = 933,666,330,136.44
  5. Step 5: Solve for x
    x = 933,666,330,136.44/1,079,435.13
  6. Step 6: Final answer
    x = 864,958.26

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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.