Home / 587,132.43-879,203.25-386,845.75

Finding the Fourth Proportional to 587,132.43, 879,203.25 and 386,845.75

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Solution

The fourth proportional to 587,132.43, 879,203.25 and 386,845.75 is: 579,283.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,132.43 : 879,203.25 = 386,845.75 : x
  2. Step 2: Convert to fraction form
    587,132.43/879,203.25 = 386,845.75/x
  3. Step 3: Cross multiply
    587,132.43x = 879,203.25 × 386,845.75
  4. Step 4: Simplify right side
    587,132.43x = 340,116,040,648.69
  5. Step 5: Solve for x
    x = 340,116,040,648.69/587,132.43
  6. Step 6: Final answer
    x = 579,283.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.