Home / 630,985.38-945,520.38-462,617.79

Finding the Fourth Proportional to 630,985.38, 945,520.38 and 462,617.79

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Solution

The fourth proportional to 630,985.38, 945,520.38 and 462,617.79 is: 693,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,985.38 : 945,520.38 = 462,617.79 : x
  2. Step 2: Convert to fraction form
    630,985.38/945,520.38 = 462,617.79/x
  3. Step 3: Cross multiply
    630,985.38x = 945,520.38 × 462,617.79
  4. Step 4: Simplify right side
    630,985.38x = 437,414,548,595.56
  5. Step 5: Solve for x
    x = 437,414,548,595.56/630,985.38
  6. Step 6: Final answer
    x = 693,224.54

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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.