Home / 833,255.16-1,149,891.78-451,281.96

Finding the Fourth Proportional to 833,255.16, 1,149,891.78 and 451,281.96

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Solution

The fourth proportional to 833,255.16, 1,149,891.78 and 451,281.96 is: 622,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,255.16 : 1,149,891.78 = 451,281.96 : x
  2. Step 2: Convert to fraction form
    833,255.16/1,149,891.78 = 451,281.96/x
  3. Step 3: Cross multiply
    833,255.16x = 1,149,891.78 × 451,281.96
  4. Step 4: Simplify right side
    833,255.16x = 518,925,416,266.29
  5. Step 5: Solve for x
    x = 518,925,416,266.29/833,255.16
  6. Step 6: Final answer
    x = 622,768.92

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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.