Home / 1,433,198.34-2,138,315.63-1,143,661.41

Finding the Fourth Proportional to 1,433,198.34, 2,138,315.63 and 1,143,661.41

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Solution

The fourth proportional to 1,433,198.34, 2,138,315.63 and 1,143,661.41 is: 1,706,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,198.34 : 2,138,315.63 = 1,143,661.41 : x
  2. Step 2: Convert to fraction form
    1,433,198.34/2,138,315.63 = 1,143,661.41/x
  3. Step 3: Cross multiply
    1,433,198.34x = 2,138,315.63 × 1,143,661.41
  4. Step 4: Simplify right side
    1,433,198.34x = 2,445,509,062,712.53
  5. Step 5: Solve for x
    x = 2,445,509,062,712.53/1,433,198.34
  6. Step 6: Final answer
    x = 1,706,329.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.