Home / 890,550.70-1,336,700.85-441,778.30

Finding the Fourth Proportional to 890,550.70, 1,336,700.85 and 441,778.30

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Solution

The fourth proportional to 890,550.70, 1,336,700.85 and 441,778.30 is: 663,101.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,550.70 : 1,336,700.85 = 441,778.30 : x
  2. Step 2: Convert to fraction form
    890,550.70/1,336,700.85 = 441,778.30/x
  3. Step 3: Cross multiply
    890,550.70x = 1,336,700.85 × 441,778.30
  4. Step 4: Simplify right side
    890,550.70x = 590,525,429,121.56
  5. Step 5: Solve for x
    x = 590,525,429,121.56/890,550.70
  6. Step 6: Final answer
    x = 663,101.41

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Double scale
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1.5x scale

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.