Home / 414,597.96-621,914.72-144,753.35

Finding the Fourth Proportional to 414,597.96, 621,914.72 and 144,753.35

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Solution

The fourth proportional to 414,597.96, 621,914.72 and 144,753.35 is: 217,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,597.96 : 621,914.72 = 144,753.35 : x
  2. Step 2: Convert to fraction form
    414,597.96/621,914.72 = 144,753.35/x
  3. Step 3: Cross multiply
    414,597.96x = 621,914.72 × 144,753.35
  4. Step 4: Simplify right side
    414,597.96x = 90,024,237,633.15
  5. Step 5: Solve for x
    x = 90,024,237,633.15/414,597.96
  6. Step 6: Final answer
    x = 217,136.23

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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.