Home / 851,201.28-1,273,037.28-757,091.76

Finding the Fourth Proportional to 851,201.28, 1,273,037.28 and 757,091.76

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Solution

The fourth proportional to 851,201.28, 1,273,037.28 and 757,091.76 is: 1,132,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,201.28 : 1,273,037.28 = 757,091.76 : x
  2. Step 2: Convert to fraction form
    851,201.28/1,273,037.28 = 757,091.76/x
  3. Step 3: Cross multiply
    851,201.28x = 1,273,037.28 × 757,091.76
  4. Step 4: Simplify right side
    851,201.28x = 963,806,034,860.81
  5. Step 5: Solve for x
    x = 963,806,034,860.81/851,201.28
  6. Step 6: Final answer
    x = 1,132,289.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.