Home / 1,224,200.80-1,836,301.20-515,029.60

Finding the Fourth Proportional to 1,224,200.80, 1,836,301.20 and 515,029.60

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Solution

The fourth proportional to 1,224,200.80, 1,836,301.20 and 515,029.60 is: 772,544.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,200.80 : 1,836,301.20 = 515,029.60 : x
  2. Step 2: Convert to fraction form
    1,224,200.80/1,836,301.20 = 515,029.60/x
  3. Step 3: Cross multiply
    1,224,200.80x = 1,836,301.20 × 515,029.60
  4. Step 4: Simplify right side
    1,224,200.80x = 945,749,472,515.52
  5. Step 5: Solve for x
    x = 945,749,472,515.52/1,224,200.80
  6. Step 6: Final answer
    x = 772,544.40

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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.