Home / 833,198.40-1,149,098.40-651,628.80

Finding the Fourth Proportional to 833,198.40, 1,149,098.40 and 651,628.80

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Solution

The fourth proportional to 833,198.40, 1,149,098.40 and 651,628.80 is: 898,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,198.40 : 1,149,098.40 = 651,628.80 : x
  2. Step 2: Convert to fraction form
    833,198.40/1,149,098.40 = 651,628.80/x
  3. Step 3: Cross multiply
    833,198.40x = 1,149,098.40 × 651,628.80
  4. Step 4: Simplify right side
    833,198.40x = 748,785,611,473.92
  5. Step 5: Solve for x
    x = 748,785,611,473.92/833,198.40
  6. Step 6: Final answer
    x = 898,688.25

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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.