Home / 441,260.65-664,835.13-399,187.63

Finding the Fourth Proportional to 441,260.65, 664,835.13 and 399,187.63

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Solution

The fourth proportional to 441,260.65, 664,835.13 and 399,187.63 is: 601,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,260.65 : 664,835.13 = 399,187.63 : x
  2. Step 2: Convert to fraction form
    441,260.65/664,835.13 = 399,187.63/x
  3. Step 3: Cross multiply
    441,260.65x = 664,835.13 × 399,187.63
  4. Step 4: Simplify right side
    441,260.65x = 265,393,959,885.44
  5. Step 5: Solve for x
    x = 265,393,959,885.44/441,260.65
  6. Step 6: Final answer
    x = 601,444.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.