Home / 547,032.34-819,404.09-439,835.83

Finding the Fourth Proportional to 547,032.34, 819,404.09 and 439,835.83

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Solution

The fourth proportional to 547,032.34, 819,404.09 and 439,835.83 is: 658,833.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,032.34 : 819,404.09 = 439,835.83 : x
  2. Step 2: Convert to fraction form
    547,032.34/819,404.09 = 439,835.83/x
  3. Step 3: Cross multiply
    547,032.34x = 819,404.09 × 439,835.83
  4. Step 4: Simplify right side
    547,032.34x = 360,403,278,030.55
  5. Step 5: Solve for x
    x = 360,403,278,030.55/547,032.34
  6. Step 6: Final answer
    x = 658,833.59

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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.