Home / 868,130.33-1,197,992.03-480,929.87

Finding the Fourth Proportional to 868,130.33, 1,197,992.03 and 480,929.87

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Solution

The fourth proportional to 868,130.33, 1,197,992.03 and 480,929.87 is: 663,667.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,130.33 : 1,197,992.03 = 480,929.87 : x
  2. Step 2: Convert to fraction form
    868,130.33/1,197,992.03 = 480,929.87/x
  3. Step 3: Cross multiply
    868,130.33x = 1,197,992.03 × 480,929.87
  4. Step 4: Simplify right side
    868,130.33x = 576,150,151,839.27
  5. Step 5: Solve for x
    x = 576,150,151,839.27/868,130.33
  6. Step 6: Final answer
    x = 663,667.81

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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.