Home / 1,237,542.12-1,707,722.19-686,286.27

Finding the Fourth Proportional to 1,237,542.12, 1,707,722.19 and 686,286.27

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Solution

The fourth proportional to 1,237,542.12, 1,707,722.19 and 686,286.27 is: 947,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,542.12 : 1,707,722.19 = 686,286.27 : x
  2. Step 2: Convert to fraction form
    1,237,542.12/1,707,722.19 = 686,286.27/x
  3. Step 3: Cross multiply
    1,237,542.12x = 1,707,722.19 × 686,286.27
  4. Step 4: Simplify right side
    1,237,542.12x = 1,171,986,291,971.33
  5. Step 5: Solve for x
    x = 1,171,986,291,971.33/1,237,542.12
  6. Step 6: Final answer
    x = 947,027.40

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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.