Home / 571,803.32-789,183.08-317,236.52

Finding the Fourth Proportional to 571,803.32, 789,183.08 and 317,236.52

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Solution

The fourth proportional to 571,803.32, 789,183.08 and 317,236.52 is: 437,838.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,803.32 : 789,183.08 = 317,236.52 : x
  2. Step 2: Convert to fraction form
    571,803.32/789,183.08 = 317,236.52/x
  3. Step 3: Cross multiply
    571,803.32x = 789,183.08 × 317,236.52
  4. Step 4: Simplify right side
    571,803.32x = 250,357,693,942.08
  5. Step 5: Solve for x
    x = 250,357,693,942.08/571,803.32
  6. Step 6: Final answer
    x = 437,838.83

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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.