Home / 993,212.12-1,370,537.88-557,529.73

Finding the Fourth Proportional to 993,212.12, 1,370,537.88 and 557,529.73

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Solution

The fourth proportional to 993,212.12, 1,370,537.88 and 557,529.73 is: 769,337.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,212.12 : 1,370,537.88 = 557,529.73 : x
  2. Step 2: Convert to fraction form
    993,212.12/1,370,537.88 = 557,529.73/x
  3. Step 3: Cross multiply
    993,212.12x = 1,370,537.88 × 557,529.73
  4. Step 4: Simplify right side
    993,212.12x = 764,115,614,191.17
  5. Step 5: Solve for x
    x = 764,115,614,191.17/993,212.12
  6. Step 6: Final answer
    x = 769,337.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.