Home / 520,973.62-781,553.38-184,209.80

Finding the Fourth Proportional to 520,973.62, 781,553.38 and 184,209.80

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Solution

The fourth proportional to 520,973.62, 781,553.38 and 184,209.80 is: 276,347.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,973.62 : 781,553.38 = 184,209.80 : x
  2. Step 2: Convert to fraction form
    520,973.62/781,553.38 = 184,209.80/x
  3. Step 3: Cross multiply
    520,973.62x = 781,553.38 × 184,209.80
  4. Step 4: Simplify right side
    520,973.62x = 143,969,791,819.12
  5. Step 5: Solve for x
    x = 143,969,791,819.12/520,973.62
  6. Step 6: Final answer
    x = 276,347.57

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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.