Home / 394,784.01-592,114.16-128,542.73

Finding the Fourth Proportional to 394,784.01, 592,114.16 and 128,542.73

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Solution

The fourth proportional to 394,784.01, 592,114.16 and 128,542.73 is: 192,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,784.01 : 592,114.16 = 128,542.73 : x
  2. Step 2: Convert to fraction form
    394,784.01/592,114.16 = 128,542.73/x
  3. Step 3: Cross multiply
    394,784.01x = 592,114.16 × 128,542.73
  4. Step 4: Simplify right side
    394,784.01x = 76,111,966,994.77
  5. Step 5: Solve for x
    x = 76,111,966,994.77/394,784.01
  6. Step 6: Final answer
    x = 192,793.95

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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.