Home / 414,386.82-621,518.72-114,836.18

Finding the Fourth Proportional to 414,386.82, 621,518.72 and 114,836.18

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Solution

The fourth proportional to 414,386.82, 621,518.72 and 114,836.18 is: 172,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,386.82 : 621,518.72 = 114,836.18 : x
  2. Step 2: Convert to fraction form
    414,386.82/621,518.72 = 114,836.18/x
  3. Step 3: Cross multiply
    414,386.82x = 621,518.72 × 114,836.18
  4. Step 4: Simplify right side
    414,386.82x = 71,372,835,603.29
  5. Step 5: Solve for x
    x = 71,372,835,603.29/414,386.82
  6. Step 6: Final answer
    x = 172,237.22

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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.