Home / 397,155.12-594,305.64-291,712.56

Finding the Fourth Proportional to 397,155.12, 594,305.64 and 291,712.56

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Solution

The fourth proportional to 397,155.12, 594,305.64 and 291,712.56 is: 436,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,155.12 : 594,305.64 = 291,712.56 : x
  2. Step 2: Convert to fraction form
    397,155.12/594,305.64 = 291,712.56/x
  3. Step 3: Cross multiply
    397,155.12x = 594,305.64 × 291,712.56
  4. Step 4: Simplify right side
    397,155.12x = 173,366,419,666.84
  5. Step 5: Solve for x
    x = 173,366,419,666.84/397,155.12
  6. Step 6: Final answer
    x = 436,520.67

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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.