Home / 1,136,323.28-1,704,429.56-426,296

Finding the Fourth Proportional to 1,136,323.28, 1,704,429.56 and 426,296

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Solution

The fourth proportional to 1,136,323.28, 1,704,429.56 and 426,296 is: 639,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,323.28 : 1,704,429.56 = 426,296 : x
  2. Step 2: Convert to fraction form
    1,136,323.28/1,704,429.56 = 426,296/x
  3. Step 3: Cross multiply
    1,136,323.28x = 1,704,429.56 × 426,296
  4. Step 4: Simplify right side
    1,136,323.28x = 726,591,503,709.76
  5. Step 5: Solve for x
    x = 726,591,503,709.76/1,136,323.28
  6. Step 6: Final answer
    x = 639,423.23

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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.