Home / 1,013,414.12-1,398,373.68-605,429.64

Finding the Fourth Proportional to 1,013,414.12, 1,398,373.68 and 605,429.64

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Solution

The fourth proportional to 1,013,414.12, 1,398,373.68 and 605,429.64 is: 835,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,414.12 : 1,398,373.68 = 605,429.64 : x
  2. Step 2: Convert to fraction form
    1,013,414.12/1,398,373.68 = 605,429.64/x
  3. Step 3: Cross multiply
    1,013,414.12x = 1,398,373.68 × 605,429.64
  4. Step 4: Simplify right side
    1,013,414.12x = 846,616,873,667.88
  5. Step 5: Solve for x
    x = 846,616,873,667.88/1,013,414.12
  6. Step 6: Final answer
    x = 835,410.58

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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.