Home / 1,022,222.82-1,533,339.90-422,859.27

Finding the Fourth Proportional to 1,022,222.82, 1,533,339.90 and 422,859.27

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Solution

The fourth proportional to 1,022,222.82, 1,533,339.90 and 422,859.27 is: 634,291.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,222.82 : 1,533,339.90 = 422,859.27 : x
  2. Step 2: Convert to fraction form
    1,022,222.82/1,533,339.90 = 422,859.27/x
  3. Step 3: Cross multiply
    1,022,222.82x = 1,533,339.90 × 422,859.27
  4. Step 4: Simplify right side
    1,022,222.82x = 648,386,990,775.87
  5. Step 5: Solve for x
    x = 648,386,990,775.87/1,022,222.82
  6. Step 6: Final answer
    x = 634,291.25

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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.