Home / 1,312,198.57-1,810,834.14-739,238.59

Finding the Fourth Proportional to 1,312,198.57, 1,810,834.14 and 739,238.59

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Solution

The fourth proportional to 1,312,198.57, 1,810,834.14 and 739,238.59 is: 1,020,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,198.57 : 1,810,834.14 = 739,238.59 : x
  2. Step 2: Convert to fraction form
    1,312,198.57/1,810,834.14 = 739,238.59/x
  3. Step 3: Cross multiply
    1,312,198.57x = 1,810,834.14 × 739,238.59
  4. Step 4: Simplify right side
    1,312,198.57x = 1,338,638,476,377.46
  5. Step 5: Solve for x
    x = 1,338,638,476,377.46/1,312,198.57
  6. Step 6: Final answer
    x = 1,020,149.32

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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.