Home / 1,279,662.60-1,920,156.30-522,059.40

Finding the Fourth Proportional to 1,279,662.60, 1,920,156.30 and 522,059.40

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Solution

The fourth proportional to 1,279,662.60, 1,920,156.30 and 522,059.40 is: 783,359.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,662.60 : 1,920,156.30 = 522,059.40 : x
  2. Step 2: Convert to fraction form
    1,279,662.60/1,920,156.30 = 522,059.40/x
  3. Step 3: Cross multiply
    1,279,662.60x = 1,920,156.30 × 522,059.40
  4. Step 4: Simplify right side
    1,279,662.60x = 1,002,435,645,884.22
  5. Step 5: Solve for x
    x = 1,002,435,645,884.22/1,279,662.60
  6. Step 6: Final answer
    x = 783,359.34

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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.