Home / 520,972.62-781,551.87-184,208.79

Finding the Fourth Proportional to 520,972.62, 781,551.87 and 184,208.79

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Solution

The fourth proportional to 520,972.62, 781,551.87 and 184,208.79 is: 276,346.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,972.62 : 781,551.87 = 184,208.79 : x
  2. Step 2: Convert to fraction form
    520,972.62/781,551.87 = 184,208.79/x
  3. Step 3: Cross multiply
    520,972.62x = 781,551.87 × 184,208.79
  4. Step 4: Simplify right side
    520,972.62x = 143,968,724,294.94
  5. Step 5: Solve for x
    x = 143,968,724,294.94/520,972.62
  6. Step 6: Final answer
    x = 276,346.05

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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.