Home / 335,942.20-503,913.30-310,281.40

Finding the Fourth Proportional to 335,942.20, 503,913.30 and 310,281.40

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Solution

The fourth proportional to 335,942.20, 503,913.30 and 310,281.40 is: 465,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,942.20 : 503,913.30 = 310,281.40 : x
  2. Step 2: Convert to fraction form
    335,942.20/503,913.30 = 310,281.40/x
  3. Step 3: Cross multiply
    335,942.20x = 503,913.30 × 310,281.40
  4. Step 4: Simplify right side
    335,942.20x = 156,354,924,202.62
  5. Step 5: Solve for x
    x = 156,354,924,202.62/335,942.20
  6. Step 6: Final answer
    x = 465,422.10

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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.