Home / 1,079,086.16-1,489,131.60-589,053.68

Finding the Fourth Proportional to 1,079,086.16, 1,489,131.60 and 589,053.68

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Solution

The fourth proportional to 1,079,086.16, 1,489,131.60 and 589,053.68 is: 812,890.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,086.16 : 1,489,131.60 = 589,053.68 : x
  2. Step 2: Convert to fraction form
    1,079,086.16/1,489,131.60 = 589,053.68/x
  3. Step 3: Cross multiply
    1,079,086.16x = 1,489,131.60 × 589,053.68
  4. Step 4: Simplify right side
    1,079,086.16x = 877,178,448,984.29
  5. Step 5: Solve for x
    x = 877,178,448,984.29/1,079,086.16
  6. Step 6: Final answer
    x = 812,890.09

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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.