Home / 414,605.28-620,662.04-371,296.40

Finding the Fourth Proportional to 414,605.28, 620,662.04 and 371,296.40

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Solution

The fourth proportional to 414,605.28, 620,662.04 and 371,296.40 is: 555,828.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,605.28 : 620,662.04 = 371,296.40 : x
  2. Step 2: Convert to fraction form
    414,605.28/620,662.04 = 371,296.40/x
  3. Step 3: Cross multiply
    414,605.28x = 620,662.04 × 371,296.40
  4. Step 4: Simplify right side
    414,605.28x = 230,449,579,212.17
  5. Step 5: Solve for x
    x = 230,449,579,212.17/414,605.28
  6. Step 6: Final answer
    x = 555,828.86

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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.