Home / 1,784,840.65-2,678,324.71-647,691.57

Finding the Fourth Proportional to 1,784,840.65, 2,678,324.71 and 647,691.57

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Solution

The fourth proportional to 1,784,840.65, 2,678,324.71 and 647,691.57 is: 971,923.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,840.65 : 2,678,324.71 = 647,691.57 : x
  2. Step 2: Convert to fraction form
    1,784,840.65/2,678,324.71 = 647,691.57/x
  3. Step 3: Cross multiply
    1,784,840.65x = 2,678,324.71 × 647,691.57
  4. Step 4: Simplify right side
    1,784,840.65x = 1,734,728,347,243.03
  5. Step 5: Solve for x
    x = 1,734,728,347,243.03/1,784,840.65
  6. Step 6: Final answer
    x = 971,923.37

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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.