Home / 2,576,532.70-3,863,814.90-778,818.70

Finding the Fourth Proportional to 2,576,532.70, 3,863,814.90 and 778,818.70

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Solution

The fourth proportional to 2,576,532.70, 3,863,814.90 and 778,818.70 is: 1,167,930.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576,532.70 : 3,863,814.90 = 778,818.70 : x
  2. Step 2: Convert to fraction form
    2,576,532.70/3,863,814.90 = 778,818.70/x
  3. Step 3: Cross multiply
    2,576,532.70x = 3,863,814.90 × 778,818.70
  4. Step 4: Simplify right side
    2,576,532.70x = 3,009,211,297,458.63
  5. Step 5: Solve for x
    x = 3,009,211,297,458.63/2,576,532.70
  6. Step 6: Final answer
    x = 1,167,930.57

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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.