Home / 1,704,414.80-2,556,622.20-639,491.60

Finding the Fourth Proportional to 1,704,414.80, 2,556,622.20 and 639,491.60

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Solution

The fourth proportional to 1,704,414.80, 2,556,622.20 and 639,491.60 is: 959,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704,414.80 : 2,556,622.20 = 639,491.60 : x
  2. Step 2: Convert to fraction form
    1,704,414.80/2,556,622.20 = 639,491.60/x
  3. Step 3: Cross multiply
    1,704,414.80x = 2,556,622.20 × 639,491.60
  4. Step 4: Simplify right side
    1,704,414.80x = 1,634,938,421,273.52
  5. Step 5: Solve for x
    x = 1,634,938,421,273.52/1,704,414.80
  6. Step 6: Final answer
    x = 959,237.40

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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.