Home / 445,107.24-666,900.18-318,098.58

Finding the Fourth Proportional to 445,107.24, 666,900.18 and 318,098.58

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Solution

The fourth proportional to 445,107.24, 666,900.18 and 318,098.58 is: 476,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,107.24 : 666,900.18 = 318,098.58 : x
  2. Step 2: Convert to fraction form
    445,107.24/666,900.18 = 318,098.58/x
  3. Step 3: Cross multiply
    445,107.24x = 666,900.18 × 318,098.58
  4. Step 4: Simplify right side
    445,107.24x = 212,139,996,925.24
  5. Step 5: Solve for x
    x = 212,139,996,925.24/445,107.24
  6. Step 6: Final answer
    x = 476,604.24

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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.