Home / 1,599,911.46-2,208,014.10-911,793.78

Finding the Fourth Proportional to 1,599,911.46, 2,208,014.10 and 911,793.78

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Solution

The fourth proportional to 1,599,911.46, 2,208,014.10 and 911,793.78 is: 1,258,353.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599,911.46 : 2,208,014.10 = 911,793.78 : x
  2. Step 2: Convert to fraction form
    1,599,911.46/2,208,014.10 = 911,793.78/x
  3. Step 3: Cross multiply
    1,599,911.46x = 2,208,014.10 × 911,793.78
  4. Step 4: Simplify right side
    1,599,911.46x = 2,013,253,522,532.30
  5. Step 5: Solve for x
    x = 2,013,253,522,532.30/1,599,911.46
  6. Step 6: Final answer
    x = 1,258,353.09

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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.