Home / 451,620.14-677,430.50-114,686.06

Finding the Fourth Proportional to 451,620.14, 677,430.50 and 114,686.06

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Solution

The fourth proportional to 451,620.14, 677,430.50 and 114,686.06 is: 172,029.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,620.14 : 677,430.50 = 114,686.06 : x
  2. Step 2: Convert to fraction form
    451,620.14/677,430.50 = 114,686.06/x
  3. Step 3: Cross multiply
    451,620.14x = 677,430.50 × 114,686.06
  4. Step 4: Simplify right side
    451,620.14x = 77,691,834,968.83
  5. Step 5: Solve for x
    x = 77,691,834,968.83/451,620.14
  6. Step 6: Final answer
    x = 172,029.16

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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.