Home / 581,109.18-800,076.87-495,884.22

Finding the Fourth Proportional to 581,109.18, 800,076.87 and 495,884.22

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Solution

The fourth proportional to 581,109.18, 800,076.87 and 495,884.22 is: 682,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,109.18 : 800,076.87 = 495,884.22 : x
  2. Step 2: Convert to fraction form
    581,109.18/800,076.87 = 495,884.22/x
  3. Step 3: Cross multiply
    581,109.18x = 800,076.87 × 495,884.22
  4. Step 4: Simplify right side
    581,109.18x = 396,745,494,619.99
  5. Step 5: Solve for x
    x = 396,745,494,619.99/581,109.18
  6. Step 6: Final answer
    x = 682,738.30

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1.5x scale

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.