Home / 414,319.98-621,480.33-177,509.10

Finding the Fourth Proportional to 414,319.98, 621,480.33 and 177,509.10

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Solution

The fourth proportional to 414,319.98, 621,480.33 and 177,509.10 is: 266,263.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,319.98 : 621,480.33 = 177,509.10 : x
  2. Step 2: Convert to fraction form
    414,319.98/621,480.33 = 177,509.10/x
  3. Step 3: Cross multiply
    414,319.98x = 621,480.33 × 177,509.10
  4. Step 4: Simplify right side
    414,319.98x = 110,318,414,046.00
  5. Step 5: Solve for x
    x = 110,318,414,046.00/414,319.98
  6. Step 6: Final answer
    x = 266,263.80

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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.