Home / 833,081.12-1,149,657.48-451,107.90

Finding the Fourth Proportional to 833,081.12, 1,149,657.48 and 451,107.90

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Solution

The fourth proportional to 833,081.12, 1,149,657.48 and 451,107.90 is: 622,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,081.12 : 1,149,657.48 = 451,107.90 : x
  2. Step 2: Convert to fraction form
    833,081.12/1,149,657.48 = 451,107.90/x
  3. Step 3: Cross multiply
    833,081.12x = 1,149,657.48 × 451,107.90
  4. Step 4: Simplify right side
    833,081.12x = 518,619,571,522.09
  5. Step 5: Solve for x
    x = 518,619,571,522.09/833,081.12
  6. Step 6: Final answer
    x = 622,531.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.