Home / 1,234,469.21-1,851,319.45-435,563.58

Finding the Fourth Proportional to 1,234,469.21, 1,851,319.45 and 435,563.58

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Solution

The fourth proportional to 1,234,469.21, 1,851,319.45 and 435,563.58 is: 653,209.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,469.21 : 1,851,319.45 = 435,563.58 : x
  2. Step 2: Convert to fraction form
    1,234,469.21/1,851,319.45 = 435,563.58/x
  3. Step 3: Cross multiply
    1,234,469.21x = 1,851,319.45 × 435,563.58
  4. Step 4: Simplify right side
    1,234,469.21x = 806,367,325,187.81
  5. Step 5: Solve for x
    x = 806,367,325,187.81/1,234,469.21
  6. Step 6: Final answer
    x = 653,209.75

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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.