Home / 1,905,399.91-2,858,661.33-767,576.61

Finding the Fourth Proportional to 1,905,399.91, 2,858,661.33 and 767,576.61

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Solution

The fourth proportional to 1,905,399.91, 2,858,661.33 and 767,576.61 is: 1,151,591.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,399.91 : 2,858,661.33 = 767,576.61 : x
  2. Step 2: Convert to fraction form
    1,905,399.91/2,858,661.33 = 767,576.61/x
  3. Step 3: Cross multiply
    1,905,399.91x = 2,858,661.33 × 767,576.61
  4. Step 4: Simplify right side
    1,905,399.91x = 2,194,241,582,298.68
  5. Step 5: Solve for x
    x = 2,194,241,582,298.68/1,905,399.91
  6. Step 6: Final answer
    x = 1,151,591.10

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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.