Home / 833,199.40-1,149,099.78-651,629.80

Finding the Fourth Proportional to 833,199.40, 1,149,099.78 and 651,629.80

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Solution

The fourth proportional to 833,199.40, 1,149,099.78 and 651,629.80 is: 898,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,199.40 : 1,149,099.78 = 651,629.80 : x
  2. Step 2: Convert to fraction form
    833,199.40/1,149,099.78 = 651,629.80/x
  3. Step 3: Cross multiply
    833,199.40x = 1,149,099.78 × 651,629.80
  4. Step 4: Simplify right side
    833,199.40x = 748,787,659,821.44
  5. Step 5: Solve for x
    x = 748,787,659,821.44/833,199.40
  6. Step 6: Final answer
    x = 898,689.63

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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.