Home / 804,591.26-1,206,867.90-405,124.64

Finding the Fourth Proportional to 804,591.26, 1,206,867.90 and 405,124.64

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Solution

The fourth proportional to 804,591.26, 1,206,867.90 and 405,124.64 is: 607,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,591.26 : 1,206,867.90 = 405,124.64 : x
  2. Step 2: Convert to fraction form
    804,591.26/1,206,867.90 = 405,124.64/x
  3. Step 3: Cross multiply
    804,591.26x = 1,206,867.90 × 405,124.64
  4. Step 4: Simplify right side
    804,591.26x = 488,931,923,515.06
  5. Step 5: Solve for x
    x = 488,931,923,515.06/804,591.26
  6. Step 6: Final answer
    x = 607,677.40

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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.