Home / 1,086,300.42-1,629,450.64-579,325.46

Finding the Fourth Proportional to 1,086,300.42, 1,629,450.64 and 579,325.46

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Solution

The fourth proportional to 1,086,300.42, 1,629,450.64 and 579,325.46 is: 868,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,300.42 : 1,629,450.64 = 579,325.46 : x
  2. Step 2: Convert to fraction form
    1,086,300.42/1,629,450.64 = 579,325.46/x
  3. Step 3: Cross multiply
    1,086,300.42x = 1,629,450.64 × 579,325.46
  4. Step 4: Simplify right side
    1,086,300.42x = 943,982,236,280.97
  5. Step 5: Solve for x
    x = 943,982,236,280.97/1,086,300.42
  6. Step 6: Final answer
    x = 868,988.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.