Home / 414,964.58-621,449.00-236,931.98

Finding the Fourth Proportional to 414,964.58, 621,449.00 and 236,931.98

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Solution

The fourth proportional to 414,964.58, 621,449.00 and 236,931.98 is: 354,828.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,964.58 : 621,449.00 = 236,931.98 : x
  2. Step 2: Convert to fraction form
    414,964.58/621,449.00 = 236,931.98/x
  3. Step 3: Cross multiply
    414,964.58x = 621,449.00 × 236,931.98
  4. Step 4: Simplify right side
    414,964.58x = 147,241,137,747.12
  5. Step 5: Solve for x
    x = 147,241,137,747.12/414,964.58
  6. Step 6: Final answer
    x = 354,828.21

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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.