Home / 334,576.20-501,864.30-307,619.40

Finding the Fourth Proportional to 334,576.20, 501,864.30 and 307,619.40

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Solution

The fourth proportional to 334,576.20, 501,864.30 and 307,619.40 is: 461,429.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,576.20 : 501,864.30 = 307,619.40 : x
  2. Step 2: Convert to fraction form
    334,576.20/501,864.30 = 307,619.40/x
  3. Step 3: Cross multiply
    334,576.20x = 501,864.30 × 307,619.40
  4. Step 4: Simplify right side
    334,576.20x = 154,383,194,847.42
  5. Step 5: Solve for x
    x = 154,383,194,847.42/334,576.20
  6. Step 6: Final answer
    x = 461,429.10

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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.