Home / 987,868.88-1,363,322.08-605,843.76

Finding the Fourth Proportional to 987,868.88, 1,363,322.08 and 605,843.76

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Solution

The fourth proportional to 987,868.88, 1,363,322.08 and 605,843.76 is: 836,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,868.88 : 1,363,322.08 = 605,843.76 : x
  2. Step 2: Convert to fraction form
    987,868.88/1,363,322.08 = 605,843.76/x
  3. Step 3: Cross multiply
    987,868.88x = 1,363,322.08 × 605,843.76
  4. Step 4: Simplify right side
    987,868.88x = 825,960,175,038.22
  5. Step 5: Solve for x
    x = 825,960,175,038.22/987,868.88
  6. Step 6: Final answer
    x = 836,103.04

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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.