Home / 377,203.11-520,529.91-207,437.24

Finding the Fourth Proportional to 377,203.11, 520,529.91 and 207,437.24

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Solution

The fourth proportional to 377,203.11, 520,529.91 and 207,437.24 is: 286,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,203.11 : 520,529.91 = 207,437.24 : x
  2. Step 2: Convert to fraction form
    377,203.11/520,529.91 = 207,437.24/x
  3. Step 3: Cross multiply
    377,203.11x = 520,529.91 × 207,437.24
  4. Step 4: Simplify right side
    377,203.11x = 107,977,287,867.85
  5. Step 5: Solve for x
    x = 107,977,287,867.85/377,203.11
  6. Step 6: Final answer
    x = 286,257.68

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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.