Home / 833,121.66-1,149,707.61-451,148.34

Finding the Fourth Proportional to 833,121.66, 1,149,707.61 and 451,148.34

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Solution

The fourth proportional to 833,121.66, 1,149,707.61 and 451,148.34 is: 622,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,121.66 : 1,149,707.61 = 451,148.34 : x
  2. Step 2: Convert to fraction form
    833,121.66/1,149,707.61 = 451,148.34/x
  3. Step 3: Cross multiply
    833,121.66x = 1,149,707.61 × 451,148.34
  4. Step 4: Simplify right side
    833,121.66x = 518,688,679,736.87
  5. Step 5: Solve for x
    x = 518,688,679,736.87/833,121.66
  6. Step 6: Final answer
    x = 622,584.56

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Double scale
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1.5x scale

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.