Home / 1,140,576.72-1,573,743.96-681,622.44

Finding the Fourth Proportional to 1,140,576.72, 1,573,743.96 and 681,622.44

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Solution

The fourth proportional to 1,140,576.72, 1,573,743.96 and 681,622.44 is: 940,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,576.72 : 1,573,743.96 = 681,622.44 : x
  2. Step 2: Convert to fraction form
    1,140,576.72/1,573,743.96 = 681,622.44/x
  3. Step 3: Cross multiply
    1,140,576.72x = 1,573,743.96 × 681,622.44
  4. Step 4: Simplify right side
    1,140,576.72x = 1,072,699,197,950.46
  5. Step 5: Solve for x
    x = 1,072,699,197,950.46/1,140,576.72
  6. Step 6: Final answer
    x = 940,488.42

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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.