Home / 833,171.32-1,149,774.78-451,196.92

Finding the Fourth Proportional to 833,171.32, 1,149,774.78 and 451,196.92

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Solution

The fourth proportional to 833,171.32, 1,149,774.78 and 451,196.92 is: 622,650.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,171.32 : 1,149,774.78 = 451,196.92 : x
  2. Step 2: Convert to fraction form
    833,171.32/1,149,774.78 = 451,196.92/x
  3. Step 3: Cross multiply
    833,171.32x = 1,149,774.78 × 451,196.92
  4. Step 4: Simplify right side
    833,171.32x = 518,774,839,429.68
  5. Step 5: Solve for x
    x = 518,774,839,429.68/833,171.32
  6. Step 6: Final answer
    x = 622,650.86

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Double scale
Find fourth proportional to 833,172.32, 1,149,776.16 and 451,197.92
Similar ratio
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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.