Home / 1,273,136.83-1,756,893.77-700,177.21

Finding the Fourth Proportional to 1,273,136.83, 1,756,893.77 and 700,177.21

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Solution

The fourth proportional to 1,273,136.83, 1,756,893.77 and 700,177.21 is: 966,225.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,136.83 : 1,756,893.77 = 700,177.21 : x
  2. Step 2: Convert to fraction form
    1,273,136.83/1,756,893.77 = 700,177.21/x
  3. Step 3: Cross multiply
    1,273,136.83x = 1,756,893.77 × 700,177.21
  4. Step 4: Simplify right side
    1,273,136.83x = 1,230,136,974,644.10
  5. Step 5: Solve for x
    x = 1,230,136,974,644.10/1,273,136.83
  6. Step 6: Final answer
    x = 966,225.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.