Home / 801,854.58-1,106,512.81-439,215.30

Finding the Fourth Proportional to 801,854.58, 1,106,512.81 and 439,215.30

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Solution

The fourth proportional to 801,854.58, 1,106,512.81 and 439,215.30 is: 606,091.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,854.58 : 1,106,512.81 = 439,215.30 : x
  2. Step 2: Convert to fraction form
    801,854.58/1,106,512.81 = 439,215.30/x
  3. Step 3: Cross multiply
    801,854.58x = 1,106,512.81 × 439,215.30
  4. Step 4: Simplify right side
    801,854.58x = 485,997,355,797.99
  5. Step 5: Solve for x
    x = 485,997,355,797.99/801,854.58
  6. Step 6: Final answer
    x = 606,091.64

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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.