Home / 1,256,352.28-1,883,434.92-807,200.80

Finding the Fourth Proportional to 1,256,352.28, 1,883,434.92 and 807,200.80

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Solution

The fourth proportional to 1,256,352.28, 1,883,434.92 and 807,200.80 is: 1,210,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,352.28 : 1,883,434.92 = 807,200.80 : x
  2. Step 2: Convert to fraction form
    1,256,352.28/1,883,434.92 = 807,200.80/x
  3. Step 3: Cross multiply
    1,256,352.28x = 1,883,434.92 × 807,200.80
  4. Step 4: Simplify right side
    1,256,352.28x = 1,520,310,174,171.94
  5. Step 5: Solve for x
    x = 1,520,310,174,171.94/1,256,352.28
  6. Step 6: Final answer
    x = 1,210,098.63

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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.