Home / 800,115.80-1,104,143.10-437,535.56

Finding the Fourth Proportional to 800,115.80, 1,104,143.10 and 437,535.56

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Solution

The fourth proportional to 800,115.80, 1,104,143.10 and 437,535.56 is: 603,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,115.80 : 1,104,143.10 = 437,535.56 : x
  2. Step 2: Convert to fraction form
    800,115.80/1,104,143.10 = 437,535.56/x
  3. Step 3: Cross multiply
    800,115.80x = 1,104,143.10 × 437,535.56
  4. Step 4: Simplify right side
    800,115.80x = 483,101,869,578.64
  5. Step 5: Solve for x
    x = 483,101,869,578.64/800,115.80
  6. Step 6: Final answer
    x = 603,789.94

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Double scale
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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.