Home / 1,224,812.40-1,837,276.20-383,391.60

Finding the Fourth Proportional to 1,224,812.40, 1,837,276.20 and 383,391.60

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Solution

The fourth proportional to 1,224,812.40, 1,837,276.20 and 383,391.60 is: 575,105.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,812.40 : 1,837,276.20 = 383,391.60 : x
  2. Step 2: Convert to fraction form
    1,224,812.40/1,837,276.20 = 383,391.60/x
  3. Step 3: Cross multiply
    1,224,812.40x = 1,837,276.20 × 383,391.60
  4. Step 4: Simplify right side
    1,224,812.40x = 704,396,261,959.92
  5. Step 5: Solve for x
    x = 704,396,261,959.92/1,224,812.40
  6. Step 6: Final answer
    x = 575,105.43

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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.