Home / 1,169,549.31-1,613,991.51-686,122.68

Finding the Fourth Proportional to 1,169,549.31, 1,613,991.51 and 686,122.68

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Solution

The fourth proportional to 1,169,549.31, 1,613,991.51 and 686,122.68 is: 946,857.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,549.31 : 1,613,991.51 = 686,122.68 : x
  2. Step 2: Convert to fraction form
    1,169,549.31/1,613,991.51 = 686,122.68/x
  3. Step 3: Cross multiply
    1,169,549.31x = 1,613,991.51 × 686,122.68
  4. Step 4: Simplify right side
    1,169,549.31x = 1,107,396,180,338.45
  5. Step 5: Solve for x
    x = 1,107,396,180,338.45/1,169,549.31
  6. Step 6: Final answer
    x = 946,857.20

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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.