Home / 1,858,760.53-2,787,509.17-644,053.69

Finding the Fourth Proportional to 1,858,760.53, 2,787,509.17 and 644,053.69

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Solution

The fourth proportional to 1,858,760.53, 2,787,509.17 and 644,053.69 is: 965,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858,760.53 : 2,787,509.17 = 644,053.69 : x
  2. Step 2: Convert to fraction form
    1,858,760.53/2,787,509.17 = 644,053.69/x
  3. Step 3: Cross multiply
    1,858,760.53x = 2,787,509.17 × 644,053.69
  4. Step 4: Simplify right side
    1,858,760.53x = 1,795,305,553,173.91
  5. Step 5: Solve for x
    x = 1,795,305,553,173.91/1,858,760.53
  6. Step 6: Final answer
    x = 965,861.67

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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.