Home / 1,131,603.84-1,561,582.14-622,306.20

Finding the Fourth Proportional to 1,131,603.84, 1,561,582.14 and 622,306.20

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Solution

The fourth proportional to 1,131,603.84, 1,561,582.14 and 622,306.20 is: 858,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,603.84 : 1,561,582.14 = 622,306.20 : x
  2. Step 2: Convert to fraction form
    1,131,603.84/1,561,582.14 = 622,306.20/x
  3. Step 3: Cross multiply
    1,131,603.84x = 1,561,582.14 × 622,306.20
  4. Step 4: Simplify right side
    1,131,603.84x = 971,782,247,531.27
  5. Step 5: Solve for x
    x = 971,782,247,531.27/1,131,603.84
  6. Step 6: Final answer
    x = 858,765.42

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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.