Home / 1,434,065.53-2,150,596.77-422,919.04

Finding the Fourth Proportional to 1,434,065.53, 2,150,596.77 and 422,919.04

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Solution

The fourth proportional to 1,434,065.53, 2,150,596.77 and 422,919.04 is: 634,230.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,065.53 : 2,150,596.77 = 422,919.04 : x
  2. Step 2: Convert to fraction form
    1,434,065.53/2,150,596.77 = 422,919.04/x
  3. Step 3: Cross multiply
    1,434,065.53x = 2,150,596.77 × 422,919.04
  4. Step 4: Simplify right side
    1,434,065.53x = 909,528,321,395.50
  5. Step 5: Solve for x
    x = 909,528,321,395.50/1,434,065.53
  6. Step 6: Final answer
    x = 634,230.66

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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.