Home / 1,169,192.13-1,613,754.77-685,912.53

Finding the Fourth Proportional to 1,169,192.13, 1,613,754.77 and 685,912.53

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Solution

The fourth proportional to 1,169,192.13, 1,613,754.77 and 685,912.53 is: 946,717.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,192.13 : 1,613,754.77 = 685,912.53 : x
  2. Step 2: Convert to fraction form
    1,169,192.13/1,613,754.77 = 685,912.53/x
  3. Step 3: Cross multiply
    1,169,192.13x = 1,613,754.77 × 685,912.53
  4. Step 4: Simplify right side
    1,169,192.13x = 1,106,894,613,660.71
  5. Step 5: Solve for x
    x = 1,106,894,613,660.71/1,169,192.13
  6. Step 6: Final answer
    x = 946,717.47

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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.