Home / 1,433,920.02-2,150,378.82-422,773.62

Finding the Fourth Proportional to 1,433,920.02, 2,150,378.82 and 422,773.62

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Solution

The fourth proportional to 1,433,920.02, 2,150,378.82 and 422,773.62 is: 634,012.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,920.02 : 2,150,378.82 = 422,773.62 : x
  2. Step 2: Convert to fraction form
    1,433,920.02/2,150,378.82 = 422,773.62/x
  3. Step 3: Cross multiply
    1,433,920.02x = 2,150,378.82 × 422,773.62
  4. Step 4: Simplify right side
    1,433,920.02x = 909,123,438,102.73
  5. Step 5: Solve for x
    x = 909,123,438,102.73/1,433,920.02
  6. Step 6: Final answer
    x = 634,012.65

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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.