Home / 330,807.45-496,215.03-314,673.54

Finding the Fourth Proportional to 330,807.45, 496,215.03 and 314,673.54

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Solution

The fourth proportional to 330,807.45, 496,215.03 and 314,673.54 is: 472,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,807.45 : 496,215.03 = 314,673.54 : x
  2. Step 2: Convert to fraction form
    330,807.45/496,215.03 = 314,673.54/x
  3. Step 3: Cross multiply
    330,807.45x = 496,215.03 × 314,673.54
  4. Step 4: Simplify right side
    330,807.45x = 156,145,740,091.31
  5. Step 5: Solve for x
    x = 156,145,740,091.31/330,807.45
  6. Step 6: Final answer
    x = 472,013.98

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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.