Home / 1,370,759.20-2,056,197.30-424,147.84

Finding the Fourth Proportional to 1,370,759.20, 2,056,197.30 and 424,147.84

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Solution

The fourth proportional to 1,370,759.20, 2,056,197.30 and 424,147.84 is: 636,239.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,759.20 : 2,056,197.30 = 424,147.84 : x
  2. Step 2: Convert to fraction form
    1,370,759.20/2,056,197.30 = 424,147.84/x
  3. Step 3: Cross multiply
    1,370,759.20x = 2,056,197.30 × 424,147.84
  4. Step 4: Simplify right side
    1,370,759.20x = 872,131,643,408.83
  5. Step 5: Solve for x
    x = 872,131,643,408.83/1,370,759.20
  6. Step 6: Final answer
    x = 636,239.86

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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.