Home / 414,486.36-621,729.48-114,966.95

Finding the Fourth Proportional to 414,486.36, 621,729.48 and 114,966.95

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Solution

The fourth proportional to 414,486.36, 621,729.48 and 114,966.95 is: 172,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,486.36 : 621,729.48 = 114,966.95 : x
  2. Step 2: Convert to fraction form
    414,486.36/621,729.48 = 114,966.95/x
  3. Step 3: Cross multiply
    414,486.36x = 621,729.48 × 114,966.95
  4. Step 4: Simplify right side
    414,486.36x = 71,478,338,932.04
  5. Step 5: Solve for x
    x = 71,478,338,932.04/414,486.36
  6. Step 6: Final answer
    x = 172,450.40

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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.